Answer:
cytoplasm
Explanation:
Transfer RNA (tRNA) is found in the cytoplasm and has a complex shape. It is responsible for carrying amino acids from the cytoplasm to the ribosome surface, ready to make a protein as instructed by the mRNA.
What would happen if you forget to add rnase solution in dna extraction?
In the human body, several organs may work together as a more complex
system to perform an important function. What is this more complex system
called?
A. Body system
B. Tissue
C. Organism
D. Organelle
SUBMIT
A scientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. What population is most likely to be a control group for the investigation?
Amount of food
Number of bird feeders
Invasive bird populations
Local backyard birdfeeders without food
The native bird population will probably serve as the study's control group.
What does the term "native birds" mean?
Native bird refers to any individual of a species of the Aves class that is native to Antarctica or visits periodically as a result of natural migrations, as defined in this part's subpart D.
What does a bird represent spiritually?
In countless cultures around the world, birds have represented luck, health, wealth, fertility, love, truthfulness, and a variety of other things.
Are birds significant to native cultures?
Indigenous cultures value their connections to familiar birds. It demonstrates our ties to the earth. The "inheritance" is this extensive cultural knowledge.
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Power house of cell called?
due to herd immunity, unvaccinated individuals are protected from disease by the collective immunity of the immunized members of a population.
It is true to say that due to herd immunity, unvaccinated individuals are protected from disease by the collective immunity of the immunized members of a population.
Herd immunity (likewise called group impact, local area resistance, populace invulnerability, or mass invulnerability) is a type of roundabout insurance that actually applies just to infectious illnesses. It happens when an adequate level of a populace has become insusceptible to a disease, whether through the past contaminations or vaccination, consequently decreasing the probability of contamination for people who need immunity.
When the crowd resistance has been reached, illness continuously vanishes from a populace and may also bring about destruction or extremely durable decrease of contaminations to nothing whenever accomplished worldwide. Group invulnerability made by means of immunization has added to the decrease of numerous infections.
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(Complete question) is:
due to herd immunity, unvaccinated individuals are protected from disease by the collective immunity of the immunized members of a population. Select true or false.
Sequencing of DNA from tumor sample reveals that one allele of RB has been deleted and the other allele contains missense mutation The RB protein in the tumor cells most likely Multlple Cholce binds to EZF, but has no effect on cell division. does not bind t0 EZF, resulting In Inhlbitlon of cell division does not bind to EZF, resulting in uncontrolled cell division: blnds to EZF; thereby promoting uncontrolled cell division: binds to EZF thereby inhibiting cell division:
The RB protein in the tumor cells most likely d)binds to E2F, thereby promoting uncontrolled cell division. So, correct option is d.
The retinoblastoma protein (protein name truncated pRb; quality name contracted Rb, RB or RB1) is a proto-oncogenic cancer silencer protein that is broken in a few significant cancers. One capability of pRb is to forestall unnecessary cell development by hindering cell cycle movement until a phone is prepared to partition.
At the point when the cell is prepared to partition, pRb is phosphorylated, inactivating it, and the cell cycle is permitted to advance. It is likewise an enrollment specialist of a few chromatin renovating proteins, for example, methylases and acetylases.
pRb has a place with the pocket protein family, whose individuals have a pocket for the useful restricting of other proteins. Ought to an oncogenic protein, for example, those created by cells tainted by high-risk kinds of human papillomavirus, tie and inactivate pRb, this can prompt disease.
Hence, correct option is d.
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(Complete question) is:
Sequencing of DNA from tumor sample reveals that one allele of RB has been deleted and the other allele contains missense mutation The RB protein in the tumor cells most likely Multlple Cholce
a) binds to EZF, but has no effect on cell division.
b)does not bind t0 EZF, resulting In Inhlbitlon of cell division does not bind to EZF,
c)resulting in uncontrolled cell division:
d) binds to EZF; thereby promoting uncontrolled cell division:
e)binds to EZF thereby inhibiting cell division:
Which of these would NOT contribute to a global increase in temperature?
A. Deforestation
B. Burning fossil fuels.
C. Increasing the industrial release of carbon dioxide.
D. Planting trees.
E. Increasing the amount of animal life on earth.
Option which does not contribute to a global increase in temperature is D. Planting trees. So, correct option is D.
Safeguarding existing plants and establishing new ones are definitely beneficial activities. In any case, researchers say we should not put a lot of confidence in trees to save us. Specifically, last year one examination bunch guaranteed we can establish a trillion additional trees and eliminate a fourth of the carbon dioxide right now in the air. These figures have been generally condemned as overhyped and inconsistent. Trees will assist us with easing back environmental change, however they won't switch it all alone.
The basic issue is that our general public is delivering ozone harming substances, particularly carbon dioxide (CO2), that are warming the World's environment to levels we have never experienced. Thus the extraordinary ice sheets are dissolving, adding to rising oceans, and outrageous climate occasions like storms and dry seasons are turning out to be more serious.
Hence, correct option is D.
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which of these is not a division of the bony labyrinth? vestibule cochlea utricle semicircular canals
The utricle is not a part of the bony labyrinth. It is part of the membranous labyrinth and is responsible for detecting linear acceleration and gravity. The bony labyrinth is composed of the cochlea, vestibule, and semicircular canals, each of which plays an important role in hearing and balance.
The bony labyrinth is a complex structure located in the inner ear, consisting of three parts: the cochlea, the vestibule, and the semicircular canals. While each of these structures play an important role in our sense of hearing and balance, the utricle is not part of the bony labyrinth.
The utricle is a fluid-filled sac located in the inner ear, adjacent to the cochlea and vestibule. It is part of the membranous labyrinth, which is the non-bony, membranous part of the inner ear. The utricle is responsible for detecting linear acceleration, such as when the head moves in a straight line. It also detects gravity, which helps keep our balance.
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g proteins are a family of receptor proteins that are involved in transmitting signals from outside a cell to inside a cell. when a signaling molecule binds to a g protein, the g protein is activated. the g protein then activates an enzyme that produces a second messenger called camp. which of the following describes a critical role of camp during the transduction stage o
A signal-amplifying enzyme is activated as a result of cAMP by acting on many substrate molecules.
What purpose does cAMP serve?
The effects of hormones like glucagon and adrenaline, which cannot cross the plasma membrane, are transferred into cells through cAMP, a second messenger, which is employed for intracellular signal transduction. Additionally, it plays a role in the activation of protein kinases.
When specific kinds of external events are sensed at the cell surface, internal signals like cAMP are produced. The levels of cAMP, which mediate a variety of biological activities including but not limited to metabolism, immunological response, and many other biological processes, can indicate the state of function in a disease or healthy condition.
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The receptor system is the part of your nervous system that detects or senses the environment .
Ture or flase
The receptor system is the part of your nervous system which detects or senses the environment. This statement is True.
What is Receptor?Receptors are defined as chemical structures composed of proteins, which receive and transduce signals that can be integrated into biological systems. These molecules inside or on the surface of the cell bind to a specific substance and produce a specific effect in the cell.
When a ligand binds to the receptor, the receptor may change conformation which allows the signal to be transmitted into the cell while in some cases the receptors will remain on the cell surface and the ligand will eventually diffuse out.
It is found inside of the cell (in the cytoplasm or nucleus), and cell surface receptors, which are found in the plasma membrane.
Thus, the receptor system is the part of your nervous system which detects or senses the environment. This statement is True.
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Does waters density increase when it changes into ice
Answer: No
Explanation: The extra hydrogen bonds that occur when water freezes increase the space between molecules, causing a decrease in overall density. The density is cooled.
Vygotsky theory emphasizes which of the following factors in a child's development? - social interactions in cultural contexts - individual differences in trajectories- learned responses via classical and operant conditioning - the child's representations of the world
Vygotsky theory emphasizes on social interactions in cultural contexts in a child's development.
Lev Vygotsky (1896-1934) was a Russian psychologist who argued that culture has a major impact on a child's cognitive development. Vygotsky's theory is the idea that infants develop new social and cognitive skills through interactions with older individuals. Vygotsky outlined three main concepts related to cognitive development: (i) culture is significant in learning, (ii) language is the root of culture, and (iii) individuals learn and develop within their role in the community. He believed social negotiation was essential for building knowledge and understanding concepts. A simple and concrete example of this is when we help children learn to ride a bicycle - first with training wheels, then as we hold the bicycle steady for them (with some verbal coaching as well), and finally without any help, as children ride independently.
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Classify these sequences based on their potential to modify protein products. The plain letters in the sequence represent protein coding regions, and the bold letters represent no coding regions
These alleles sequences based on their potential to modify protein products. The plain letters in the sequence represent protein coding regions, and the bold letters represent no coding regions.
The sequences are as following:
ATTGAGACCGT → GAGACCAGT TATAATATTA → TATATATTA ATTCATCTGG → ATTCATCGTGG What are alleles?Alleles are the types of variation of sequence in a same nucleotides of same DNA.
Now following are the sequences based on their potential to modify protein products but we can't define the coding or no coding region as bold or plain letters are not clear here.
1).ATTGAGACCGT → GAGACCAGT
Chance of Alteration in Protein bcz in starting alleles ATT is missing in the after product.2). TATAATATTA → TATATATTA
Chance of Alteration in Protein as there is modification present in the AA alleles in between.3). ATTCATCTGG → ATTCATCGTGG
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which of the following is not an advantage of active transport? it is faster than passive transport. it does not require added energy. it is specific for a particular nutrient. it transports nutrients against the diffusion gradient.
It does not require added energy.
The assertion 'it does not require added energy' is not an advantage of active transport. Active transport requires energy, allows cells to move materials against their concentration gradient and is specific, but typically isn't faster than passive transport.
Explanation:Among the options given, the statement 'it does not require added energy' is not an advantage of active transport. Active transport uses energy, typically in the form of ATP, while passive transport does not. Active transport allows cells to move nutrients, ions, and other materials against their concentration gradient, i.e., from an area of low concentration to an area of high concentration. This process is specific, enabling the transport of certain substances into or out of the cell, but it's not typically faster than passive transport because it relies on this added energy.
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if two populations of the same species have different mating seasons, one in fall and the other in spring, this may lead to a speciation event due to
if two populations of the same species have different mating seasons, one in fall and the other in spring, this may lead to a speciation event due to allopatric speciation.
Allopatric speciation, also known as geographic speciation, vicariant speciation, is a type of evolutionary change that occurs when biological populations become geographically isolated from one another to the point where gene flow is prevented or hampered.
Allopatric speciation takes place when a species divides into two distinct groups that are geographically separated from one another. A physical barrier, such as a mountain range or a waterway, prevents them from breeding with one another.
Allopatric speciation, also known as geographic speciation, arises when biological populations of a single species become secluded due to geographical changes like mountain formation or social changes like emigration.
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As you have observed, the enzymes amylase and taq polymerase function best at different temperatures. all enzymes have an optimum temperature at which they function best. in environments where the temperature is above or below the optimum value, enzymes will not function efficiently.
Thermus aquaticus, a kind of creature that thrives in hot springs and other scalding settings, has the enzyme taq polymerase. The term "thermophilic bacteria" refers to this organism's exceptional thermostability.
Taq polymerase can withstand high temperatures, so why?While maintaining its enzymatic activity, it can resist the high temperatures employed in PCR. In a thermophilic bacteria called Thermus aquaticus, taq polymerase may be found naturally. Living conditions for the bacteria include hot springs and hydrothermal vents. It has a high thermostability as a result.
A reaction typically accelerates with an increase in temperature and decelerates with a decrease in temperature. A denatured enzyme, on the other hand, is one that has lost its form and is no longer active due to extremely high temperatures. Optimal pH ranges for each enzyme exist.
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1. which of the following best compares the structures found in plant cells and animal cells? plant cells have rigid cell walls and do not contain mitochondria or ribosomes while animal cells do. animal cells do not contain chloroplasts, cell walls, or a large central vacuole while plant cells do. plant cells contain rough endoplasmic reticulum and a golgi apparatus while animal cells contain smooth endoplasmic reticulum surrounded by lysosomes. animal cells contain cell walls and a large central vacuole while plant cells contain cell membranes and many small vacuoles.
Answer:
animal cells do not contain chloroplasts, cell walls, or a large central vacuole while plant cells do.
Explanation:
This statement plant cells have rigid cell walls and do not contain mitochondria or ribosomes while animal cells do is incorrect as plant cells have do have mitochondria and animal cells do not have a rigid cell wall.
This statement plant cells contain rough endoplasmic reticulum and a golgi apparatus while animal cells contain smooth endoplasmic reticulum surrounded by lysosomes is incorrect as both plant cells and animal cells have rough endoplasmic reticulum, smooth endoplasmic reticulum surrounded by lysosomes and a golgi apparatus.
This statement: animal cells contain cell walls and a large central vacuole while plant cells contain cell membranes and many small vacuoles is incorrect as animal cells do not have a cell wall and a large central vacuole.
The structure in the ear that is most directly responsible for the ability to discriminate different pitches of sound is the
A) oval window.
B) round window.
C) basilar membrane.
D) tectorial membrane.
E) tympanic membrane.
C) basilar membrane. A basilar membrane, which varies in stiffness or resonance along its length, is used by the cochlea to analyze sound frequencies and determine pitch.
Which area of the inner ear can distinguish between different sound frequencies?Hair cells, so named after the clusters of hair-like strands that protrude from their summits, are the sensory cells that pick up on these sounds.A basilar membrane, which would be rolled up like a carpet & tucked inside the cochlea, an inner ear structure resembling a snail shell, is covered in hair cells and has a flat surface.
The basilar membrane's function is what?A distal end is the inner ear's primary mechanical component.Over its length, it has graded weight and stiffness characteristics, as well as its vibration pattern separate incoming sound into component frequencies, which trigger various cochlear areas.
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Dstinguish between passive and active transport. identify the following as either passive or active transport mechanisms and describe the process of each with examples: diffusion, osmosis, facilitated diffusion, the sodium-potassium pump, and vesicle mediated transport (exocytosis and endocytosis).
In active transport, molecules are pumped through the cell membrane in opposition to a concentration gradient (energy). Without the use of ATP, molecules are transported via concentration gradients by moving within and across the cell membrane in passive transport (energy).
What distinguishes active transport from passive forms of movement like osmosis and diffusion?There are two main strategies for moving molecules across a membrane, and the difference is based on whether or not cell energy is utilised. Diffusion is an example of a passive mechanism that doesn't require any energy, whereas active transport does.
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The bones in the front leg of a lizard and in the wing of a bat, which are evolutionarily derived from their common ancestor are said to be analogous O homologous O sympatric
O functionally similar O convergent
A front paws of cats are similar to the wings of a bat. The term "homologous" mean Cat feet and bat wings share the common ancestor that had a limb with such a bone structure comparable to that of cat legs.
What forms the structure of bone?A protein collagen use to forms the structure of the bones, as well as the calcium, a mineral, gives the framework hardness and strength. When the other body parts has been require calcium, bones transfer some of the calcium they have stored into the blood.
RNA may be found in any biological tissue which has not yet degraded. One of the finest areas to find DNA from decaying human remains is in bones. DNA can typically be extracted from the flesh once it has rotted.
Therefore, A front paws of cats are similar to the wings of a bat. The term "homologous" mean Cat feet and bat wings share the common ancestor that had a limb with such a bone structure comparable to that of cat legs.
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Blood islands are ________.
a. clusters of blood-filtering cells in the placenta
b. masses of pluripotent stem cells scattered
throughout the fetal bone marrow
c. vascular tubes that give rise to the embryonic
tubular heart
d. masses of developing blood vessels and formed
elements scattered throughout the embryonic disc
The embryonic disc is covered in thousands of growing blood arteries and developed components.
D is the ideal choice.
Which blood arteries dilate as a result of blood pressure?The big and tiny arteries that carry blood away from the heart can split. Large arteries, which are thicker and more elastic to withstand the high pressures, are subjected to the highest blood flow pressure.
Does a vein qualify as an artery?Blood vessels called arteries transport the body's oxygen-rich blood from the heart. Veins are blood vessels that return the body's low oxygen blood to the heart for reoxygenation.
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How many hours would it take for a bac of 0.03% to reduce to 0.0%
Explanation:
The number of hours it would take for a blood alcohol concentration (BAC) of 0.03% to reduce to 0.0% depends on a variety of factors, including the person's age, weight, gender, and overall health. In general, however, it is estimated that it takes about one hour for the body to metabolize one standard drink, which is equivalent to about 0.5 ounces of pure alcohol.
Assuming that a person has a BAC of 0.03% and that they have not consumed any additional alcohol during that time, it would take approximately 9 hours for their BAC to reduce to 0.0%. This is because 0.03% is equivalent to 0.5 ounces of alcohol, and it takes one hour to metabolize each 0.5 ounces of alcohol.
It is important to note, however, that this is only an approximate estimate, and the actual time it takes for a person's BAC to reduce to 0.0% can vary depending on the factors mentioned above. In some cases, it may take longer or shorter than 9 hours for a person's BAC to reduce to 0.0%. It is also important to remember that drinking alcohol can have serious health and safety risks, and that it is always best to drink responsibly and in moderation
Which of the following is a test forensic scientists might use for chemical analysis?
Size of insect
O Color pattern on insect
Range map of insect
DNA extracted from crop
This kind of chemical analysis can be carried out using spectroscopy of atomic absorption and plasma-atom inductively coupled emission spectroscopy.
In the simplest words, what is spectroscopy?Spectroscopy is the study about how light and also other types of electromagnetic radiation are taken and emitted by materials. In a manner similar to how a prism divides light it into rainbow of colors, it entails splitting light (or more accurately, electromagnetic phenomena) into its individual wavelengths (a spectrum).
What is the spectroscopic principle?The fundamental idea behind all absorption spectroscopy is to expose a sample to an electromagnetic field and then see how it reacts. Typically, the response is measured in relation to the radiation wavelength.
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Answer: CROP (DNA extracted from crop)
Explanation: "... when insects eat a specific food source, such as flesh, plant matter, or blood, they store this in their crop. By grinding the larva or adult insect up into a slurry, forensic scientists can analyze the composition of the food in the crop for chemicals and even DNA."
Is the atmosphere seen on the planet mars?
The atmosphere of Mars is much thinner than Earth's. The Red Planet's atmosphere contains more than 95% carbon dioxide and much less than 1% oxygen. People would not be able to breathe the air on Mars.
Yes, there is an atmosphere on Mars, although it is far thinner than the atmosphere on Earth. The majority of the atmosphere on Mars (95%) is made up of carbon dioxide, with traces of other gases like water vapor and nitrogen.
The surface pressure of the Martian atmosphere is only approximately 1% of the atmospheric pressure at sea level on Earth, making it significantly less dense than our atmosphere. Due to its thin atmosphere, Mars lacks the same weather patterns as Earth and is characterized by sharp temperature swings on its surface.
Mars has several characteristics that are similar to those on Earth, such as clouds, dust storms, and polar ice caps, despite having a thin atmosphere. These characteristics, which are produced by interactions between the planet's thin atmosphere and its surface, can offer crucial hints about the temperature and geology of the planet.
Overall, Mars' atmosphere plays a significant role in the planet's ecology and contributes to the development of its distinctive traits and characteristics.
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Could the biological, psychological, and sociocultural factors behind psychological disorders all be correct, or is there only one factor that dominates
The biological, psychological, and sociocultural factors behind psychological disorders always are different and they exhibit symptoms in order that these types of disorders may emerge.
What are the factors behind psychological disorders?The factors behind psychological disorders are diverse and they include biological, psychological, and sociocultural risk factors associated with the emergence of such problems.
For example, a traumatic situation such as the death of a family member may be the trigger that initiates the emergence of psychological disorders such as depression, which is one of the most common types of mental cognitive disorders affecting people around the world.
Therefore, with this data, we can see that the factors behind psychological disorders are diverse and always one of them should prevail to initiate a psychological disorder in a normal healthy individual, thereby it is important to consider biological, psychological, and sociocultural risk factors in the development of these cognitive problems.
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The ______ piriform cortex produces representations of features of odorant molecules. a) anterior b) posterior c) lateral d) superior.
Your anwser is A. Anterior.
Briefly discuss the THREE points of view concerning the anthropologist's role in the practical affairs of other cultures.
Which one do you support and why?
Answer:
There are three main points of view concerning the role of anthropologists in the practical affairs of other cultures:
The "detached observer" perspective argues that anthropologists should remain neutral and objective in their studies of other cultures, and should not get involved in the practical affairs of those cultures. This view emphasizes the importance of maintaining a professional distance and avoiding potential conflicts of interest.
The "applied anthropologist" perspective argues that anthropologists should use their knowledge and expertise to help solve problems and address challenges faced by other cultures. This view emphasizes the potential value of anthropologists as consultants and advisors to government agencies, NGOs, and other organizations working in the field.
The "activist anthropologist" perspective argues that anthropologists have a moral obligation to take a stand and actively support the rights and interests of the communities they study. This view emphasizes the importance of anthropologists using their research to advocate for social justice and challenge oppressive power structures.
I personally support the "applied anthropologist" perspective. I believe that anthropologists have a unique and valuable perspective to offer on the practical affairs of other cultures, and that their expertise can be used to help address important issues and challenges faced by those communities. At the same time, I believe that it is important for anthropologists to maintain professional standards and avoid conflicts of interest, in order to ensure the integrity of their research and the trust of the communities they study.
what is frontal EEG asymmetry and evaluate its relationship with individual differences in either depression OR anxiety.
Answer:
rip bozo
Explanation:
learn better
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In this lab, you will study mice with two traits.
Fur Color
Black is dominant (B). White is recessive (b).
Eye Color
Black is dominant (E). Red is recessive (e).
Intro
Genotype: BBee
Phenotype:
DONE
fur and
eyes
Answer:
the genotype of the mice in this lab is BBee, which results in a phenotype of black fur and black eyes.................
Explanation:
Based on the information provided, the genotype of the mice in this lab is BBee, which means that they have the alleles B and E for fur color and eye color, respectively. The phenotype of the mice, which refers to their observable physical characteristics, is black fur and black eyes.
The B and E alleles are dominant, which means that they will mask the expression of the recessive alleles (b and e). Therefore, even if the mice have one copy of the recessive alleles, their fur will be black and their eyes will be black, because the dominant alleles are expressed.
To summarize, the genotype of the mice in this lab is BBee, which results in a phenotype of black fur and black eyes.
Answer:
Genotype: BBee
Phenotype: black fur and red eyes
Explanation:
BB refers to dominant black fur and ee regers to recessive red eyes.
63. How may a species be defined (1( Geneticist 2) An Evolutionist. (ii) An ecologist. by.
A biological species is a group of organisms that can reproduce with one another in nature and produce fertile offspring