Answer:
Eagle: Loves authority & power.
Peacock: Is the crowd-pleaser.
Owl: The 'numbers' guy (or girl)
Dove: The nurturer & helper.
Explanation:
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in eukaryotes, where do transcription regulators bind? group of answer choices downstream of a gene. upstream or downstream of a gene. at the promoter region, near the tata box. upstream of a gene.
In eukaryotes, transcription regulators bind at the promoter region, near the TATA box.
In eukaryotes, the promoter region is present upstream near the TATA box. The promoter region is the site recognized by the RNA polymerase and where it binds so that transcription can occur.
The transcription factors also bind to the promoter region, so transcription initiation occurs. These transcription regulators are referred to as transcription factors. Transcription can be described as a process in which information from the DNA is coded into mRNA.
Mostly, the promoter sequence is placed near to the gene that is to be transcribed.
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i need help i have to submit in 20 minutes!!!
Answer:
Cell 1
Explanation:
The Golgi Complex is responsible for sorting and packaging proteins and lipids.
Answer:
A. Cell 1
Explanation:
The Golgi apparatus is located at the base of the cell and serves as a place where proteins are added to lipids, which are then transported to other parts of the cell. It also contains enzymes that break down proteins, carbohydrates and lipids. The Golgi apparatus can be found in most eukaryotic cells.
What type of lipid polymer make up a hormone
Answer: Cholesterol i believe
Explanation:
What type of force does the water exert on the planes floats, which cause the motion of plane to slow?
a study of the effects of damaging toxins on cells and tissue identifies ubiquitin as a key molecule. can you explain why ubiquitin would be associated with toxin damage?
Answer:
Damaged proteins are tagged with ubiquitin for degradation
Which substance does ATP synthase add to molecules of ADP?
A. ATP molecules
B. Electrons (7)
C. Phosphate (P) groups
D. Hydrogen ions (H+)
SUBMI
Answer:"C" Phosphate
Explanation:
A scientist discovers a new molecule that is a long polymer that consists of a single strand of nucleotides. What type of molecule did the scientist most likely find?.
The big molecules that make up this polymer must have repeating units.
A polymer is made up of lengthy chains of monomers, which are smaller repeating units.
For instance, long chains of ethylene (CH2=CH2) molecules are connected end to end to form polyethylene.
Polyethylene's chemical formula is -CH2CH2-(CH2CH2)n-CH2CH2-, where n is typically a figure between 500 and 10,000.
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a new restriction endonuclease is isolated from a bacterium. this enzyme cuts dna into fragments that average 4,096 base pairs long. like many other known restriction enzymes, the new one recognizes a sequence in dna that has twofold rotational symmetry. from the information given, how many base pairs of dna constitute the recognition sequence for the new enzyme?
For the identification of cleavage or cutting capacity of the particular newly isolated restriction endonuclease enzyme, we can provide the entire known nucleotide sequence during restriction activity, after that we can do sequencing for the analysis of at which specific position DNA is cutting down by that particular restriction enzyme.
Sequencing is the method used to know the genomics size of long as well as short stretch of DNA results in a shorter time period. There are two types of sequencing, first is ancient sequencing techniques such as Sanger sequencing and second one is next generation sequencing. Nowadays the next generation sequencing method is widely used for sequencing. These next generation sequencing is totally based on computer based technique.
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please help me!!! it not that hard i just don’t know the answer
Eukaryotes frequently have several cells, but prokaryotes are invariably unicellular. Eukaryotic cells are also between 100 to 10,000 times bigger and more complicated than prokaryotic cells. Prokaryotic DNA is kept in the cytoplasm, whereas DNA in eukaryotes is kept in the nucleus.
What is the difference between prokaryotic and eukaryotic cells?Eukaryotes frequently have several cells, but prokaryotes are invariably unicellular. Eukaryotic cells are also between 100 to 10,000 times bigger and more complicated than prokaryotic cells. Prokaryotic DNA is kept in the cytoplasm, whereas DNA in eukaryotes is kept in the nucleus.
Within eukaryotes, organelles perform specialized tasks such as energy production, photosynthesis, and membrane synthesis. The majority of them are membrane-bound structures that serve as the locations of particular metabolic reactions.
They are capable of breathing, digesting, and other biological functions. Being single-celled organisms, prokaryotic cells carry out all of these tasks in a single cell.
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explain how competition can affect an organisms niche
Answer:
The competitive exclusion principle says that two species can't coexist if they occupy exactly the same niche (competing for identical resources). Two species whose niches overlap may evolve by natural selection to have more distinct niches, resulting in resource partitioning.
Competition influences an organism's niche by shaping its resource utilization, spatial distribution, and evolutionary adaptations. It drives species to adapt and specialize, facilitating coexistence and maintaining the balance of ecological communities.
Competition plays a significant role in shaping an organism's niche, which refers to the specific role and position it occupies within its environment. Here's how competition can affect an organism's niche:
Resource Competition: Organisms often compete for limited resources such as food, water, shelter, or mates. When resources are scarce, intense competition can occur, forcing organisms to adapt their niche to gain access to these resources. This can lead to specialization, where organisms develop specific traits or behaviors to exploit specific resources and reduce competition.Competitive Exclusion: Intense competition can result in competitive exclusion, where one species outcompetes another for the same resources. This can lead to the displacement or elimination of the less competitive species from that particular niche. As a result, the winning species can expand its niche and occupy a broader range of resources.Niche Partitioning: In order to coexist and reduce competition, similar species may partition their niches by dividing the available resources. Each species may specialize in utilizing different resources or occupy different microhabitats within the same ecosystem. This allows for the coexistence of multiple species with similar requirements.Competitive Interactions: Competition can also drive evolutionary changes in organisms. Over time, species may evolve different traits or behaviors that give them a competitive advantage in accessing resources or avoiding competition. This can lead to the diversification of niches within a community, as species adapt to occupy different ecological roles.Learn more about Competition, here:
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why has the miracle of synthetic fertilizers in some way become too much of a good thing?
The use of synthetic fertilizers could be seen as too much of a good thing as it could also lead to pollution of some sorts.
What are synthetic fertilizers?The term synthetic fertilizers are those fertilizers that are produced artificially. This is different from the type of fertilizers that are produced from organic materials. Those kind of fertilizers are generally called the organic fertilizers.
Now, when we make use of synthetic fertilizers, there is the likelihood that they could be washed into natural water bodies where they could pollute them and cause an overgrowth of the weeds and the consequent death of the lake.
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Bile is stored and concentrated in the _____.
A: Duodenum
B: Appendix
C: Gall Blander
D: Cecum
If the conservative model had been correct, how many generations of bacterial cell division would have had to pass before meselson and stahl would have observed evidence of a band in the cscl gradient corresponding to a hybrid dna molecule containing both 14n and 15n?.
If the conservative model had been correct, No generations; a hybrid would never form had to pass before meselson and stahl would have observed evidence of a band in the cscl gradient corresponding to a hybrid dna molecule containing both 14n and 15n.
What is the Meselson and Stahl experiment about?
In 1958, Matthew Meselson and Franklin Stahl using three models of conservative, semi conservative and dispersive of how organisms might replicate their DNA for their experiment were able to show that each strand in a DNA molecule serves as a template for synthesis of a new, complementary strand.
Here's the complete question:
If the conservative model had been correct, how many generations of bacterial cell division would have had to pass before Meselson and Stahl would have observed evidence of a band in the CsCl gradient corresponding to a hybrid DNA molecule containing both 14N and 15N?
A) 1 generation
B) 4 generations
C) More than 10 generations
D) No generations; a hybrid would never form.
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In pea plants sead color green is dominant to yellow and seed shape round is dominant to wrinkled. In di hybrid cross produces 800 seads in F2 generation.
Out of 800 seeds how many will be Green and Round
a.450
b.150
c.50
d.400
In the illustrated dihybrid cross, out of 800 seeds, 450 would come out green and round.
Dihybrid crossAssuming the seed color allele is represented by A and the seed shape allele is represented by B.
At F1: AABB x aabb
AaBb
At F2: AaBb x AaBb
Genotype ratio of Offspring:
A_B_: green and round = 9
aaB_: yellow and round = 3
A_bb: green and wrinkled = 3
aabb : yellow and wrinkled = 1
Thus, the chance of producing green and round seeds from the F2 cross is 9/16.
With 800 seeds produced:
800 x 9/16 = 450
In other words, out of 800 seeds, 450 of them would be green and round.
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What is the MAIN function of carbohydrates?
A. To provide structure and support
B. To make enzymes
C. To provide short term energy
Yvonne lives in an inner-city neighborhood that has installed urban gardens for residents. At the end of the day, Yvonne looks out of her apartment
window onto the vines that are slowly creeping up their supports. She sighs and feels a sense of calm and connection. Which aspect of Yvonne's health
is being MOST affected by the work she does in the urban garden?
O A. physical
B. emotional
O C. environmental
O D. occupational
Yvonne's Emotional health is being most affected by the work she does in the urban garden.
Emotional health is about how we think and feel. It is about our sense of wellbeing, our ability to cope with life events and how we acknowledge our own emotions as well as those of others. Emotional health allows you to work productively and cope with the stresses of everyday life. It can help you realize your full potential. It helps you work with other people and contribute to society. It also affects your physical health.
Depression, anxiety, stress, poor body image, grief, loss, a major change in your life such as becoming a new parent can all affect your mental and emotional health in day to day living.
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Answer:
emotional
Explanation:
Where does sex cells form?
Meiosis is a process by which sex cells are produced.
The emergence of sex cells is a central part of human reproduction: In fertilization, an egg cell and a sperm cell merge. These sex cells are also called reproductive cells or gametes. Sperm cells are built in men's testicles and egg cells are produced in women's ovaries. In the human reproductive process, two kinds of sex cells, or gametes are involved. The male gamete, or sperm, and the female gamete, Gametes serve two functions. They have the physiological ability to fuse with a gamete from the opposite sex cells and form a single cell.
So we can conclude that human sex cells are produced by the process of meiosis.
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What is effect of external temperature on body variables i.e. Temperature, body fluid, ph etc.
A. They tend to increase
B. They tend to decrease
C. Both a and b
D. No effect at all
The effect of external temperature on body variables like temperature, body fluid, ph etc is No effect at all; option D.
What are variables?Variables are measurable factors or quantities which are subject to change.
Variables are important in research and experiments.
In the human body, various measurable variables exist. some of these variables include temperature, body fluid, pH etc.
The body has a mechanism for maintaining a fairly constant internal environment despite challenges i the external environment.
This s known as homeostasis.
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What two scientists are responsible for saying plants and animals are made of cells leading to the development of the Cell Theory?
Group of answer choices
Schleiden
Hooke
Zaccharius Janssen
Leeuwenhoek
Schwann
Hans Janssen
Answer:
The answer is Theodore Schwann and Mattias Schleiden
Explanation:
They studied cells of plants and animals respectively. These scientists identified key differences between the two cell types and put forth the idea that cell were fundamental units of both plants and animal .
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What is the lowest possible elevation of the lake?
Answer: The lowest depth shown on this map of Lake Ontario is 700 feet. The closest marker to this depth is the letter E.
Explanation: This topographical map of Lake Ontario displays each numerical depth in feet.
in the meselson-stahl experiment, after the first round of dna replication, the model was eliminated because band(s) was/were seen in the tube after density gradient centrifugation.
The heavy 15N model was eliminated because light 14N band(s) was/were seen in the tube after density gradient centrifugation in the meselson-stahl experiment.
The best model for DNA replication was determined by an experiment designed by Matthew Meselson and Franklin Stahl in 1958. For several generations, they raised E. coli in a medium that contained a heavy nitrogen isotope (15N), which was incorporated into nitrogenous bases and eventually into the DNA. The parental DNA was marked by this. After that, the E. coli culture was moved into a medium containing 14N and left to develop for one generation. DNA was isolated when the cells were harvested.
Through the process of ultracentrifugation, the DNA was divided into bands based on the density of the DNA. It would be expected that DNA produced in 15N will form a band at a place with a higher density than DNA grown in 14N. Meselson and Stahl discovered that the solitary band seen after one generation of growth in 14N was positioned halfway between the DNA of cells grown exclusively in 15N or 14N. This indicated either a dispersive or a semiconservative form of reproduction.
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Which of the following monomers is correctly paired with the macromolecule it
forms?
ONucleotide Nucleic Acids
O Monosaccharide - Protein
O Fatty Acid-Carbohydrate
O Amino Acids - Lipids
Answer:
no. 2 is a right answer.
Explanation:
Monosaccharide- Protein.
describe how leaves undergo photosynthesis underwater use the chemical reaction for photosynthesis to help answer
Answer:
In photosynthesis, multiple molecules of carbon dioxide are combined to produce glucose using energy from sunlight. Terrestrial plants obtain carbon dioxide for this process from the atmosphere, as carbon dioxide gas is abundantly present in the air. However, carbon dioxide can also dissolve in water, and aquatic plants obtain carbon dioxide directly from the water that surrounds them. This allows aquatic plants like seaweed and many others to obtain energy from sunlight.
Nicotine triggers the release of adrenaline. What negative impact does this have on the cardiovascular system?.
Nicotine causes the narrowing of arteries, an increase in blood pressure, and an increase in heart rate.
Nicotine is a harmful chemical present in cigarettes and tobacco products. this chemical triggers the release of adrenaline. This hormone is known to give a "kick" to the body's systems.
Prolonged usage of nicotine has a severe impact on the body especially the respiratory and cardiovascular systems. The hormone, adrenaline, is known to increase the heart rate and flow of blood. this increases the blood pressure and narrowing of blood vessels which in turn increases the risk of heart attacks, cardiac arrest, and a variety of heart issues.
So, nicotine is a harmful chemical that causes a wide range of health complications in the long run.
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The structure in the brain that, when damaged, causes rats to eat and eat and eat is called the __________.
Answer:
Ventromedial hypothalamus
Explanation: When the ventromedial hypothalamus is damaged, an individual cannot feel sated after eating. This lack of satiety causes excessive hunger, and overeating. Hope this helped :)
Taxol is an anticancer drug extracted from the pacific yew tree that binds to microtubules and prevents their depolymerization. Which phase of mitosis or cell division would be inhibited by treatment with taxol?.
Answer:
I DON'T KNOW if my answer is correct but here is the answer
Explanation:
Taxol blocked cell cycle progress at the metaphase/anaphase transition and inhibited cell proliferation.
a concentration gradient of chloride ions (cl-) exists across a cell membrane with a higher concentration of cl- outside the cell. in response to this concentration gradient, water moves out of the cell to equalize the gradient. what term best describes this process:
Water moves out of the cellular to equalize the gradient. what term pleasant describes this system: both the concentration gradient and electric gradient prefer the movement of Cl- ions into the mobile.
The attention of the answer tells you the way a lot of solutes have been dissolved within the solvent. as an example, if you add one teaspoon to two cups of water, the concentration could be said as 1 t salt per 2 c water.In chemistry, concentration refers to the amount of a substance in a defined space. any other definition is that attention is the ratio of solute in an option to both solvent or overall solution. concentration is typically expressed in terms of mass in step with unit extent.
Excessive attention way the density of the material is extra than what surrounds it. that is in evaluation to a lower concentration wherein the density of material could be much less. that is helpful in explaining the natural movement of materials because they clearly flow from high concentration to decrease.
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what happens to species with higher resilience as compared to species with lower resilience?
Species with higher resilience have higher chances of survival as compared to species with lower resilience.
Resilience rate refers to the ability to rebuild following damage. When damaged, species with a higher degree of resilience quickly recover, increasing their chances of surviving. Any harm to a species caused by an internal element, such as sickness, or an external factor, such as food or climate change, can cause a species with a lower rate of resilience to collapse.
The capacity to respond effectively to adversity, trauma, tragedy, threats, or severe causes of stress is known as resilience. The idea of resilience has been used to describe a variety of systems, from cells to entire organisms.
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The Karner blue butterfly has been listed as an endangered species since 1992. Karner blue butterfly larvae feed only on wild lupine plants, which
require a habitat with dry soil and exposure to direct sunlight.
Which of the following would be the best habitat for wild lupine that could help Karner blue butterfly populations recover?
A a mountain top that is covered in snow
Ba river bank that was flooded by high water
an open area in a forest that was cleared by a fire
Dan isolated area in a jungle that has many large trees
50.0
Answer:
c. an open area that was cleared by a fire
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Answer:
Answer is D
Prokaryotic cells and Rukaryotic cells both have cell membranes, genetical material, ribosomes, and cytoplasm
Answer:
D) passed the test
Explanation: