1) A switch is required
2) The series circuit has end to end connection while we connect a parallel circuit to a common junction
3) The resistance would reduce the current in the circuit.
4) The current would increase.
What is a circuit?The term circuit has to do with a path that have been provided for the flow of current. There are the components that must be present so as to be able to make up a circuit. All of these components have various roles and they help the circuit to be able to function well.
1) Since we have the battery and the light bulb, we need a switch and the switch would complete the circuit because it is going to help us to open and close the circuit.
2) In a parallel circuit, the connection is done to a common junction while in a series circuit the connection is done end to end.
3) The resistance is the opposition that is offered to the flow of current in a cicuit. It serves to decrease the flow of current in the circuit.
4) If the voltage is increased and the resistance remains the same then the current would be increased in the circuit.
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Ribosomal RNA is also known as rRNA
and is located on the ribosome.
Which of these is TRUE about rRNA?
A. It helps mRNA move along the ribosome.
B. It creates extra cytoplasm.
C. It unzips DNA strands.
D. It takes DNA outside the nucleus.
The ribosome is where ribosomal RNA, commonly known as rRNA, is found. Strands of DNA are unzipped.
Where can one locate ribosomal RNA?80% of the total RNA in a cell is made up of rRNAs, which are located in ribosomes. The 50S subunit, which is a substantial component of ribosomes, and the 30S subunit, which is a smaller component, are each made up of unique rRNA molecules.
What does ribosomal RNA gene mean?an RNA ribosome All living things need ribosomal ribonucleic acid (rRNA), which is the RNA component of the ribosome and crucial for protein synthesis. About 60% of the ribosome's mass is made up of rRNA, and the remaining 40% is made up of protein.
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Answer: It helps mRNA move along the ribosome
Explanation:
Which term matches this definition?
rigid, permeable structure that protects the cell,
helps the cell maintain shape, and prevents the
cell from bursting
A. cell wall
B. cocci
C. cell membrane
D. eukaryote
What is the term for the subunits, or monomers, that make up DNA
Answer: Nucleotides
Explanation: have a wonderful day
Answer:
Nucleotides
Explanation:
Nucleotides are made up of 3 things,
A sugar, a phosphate residue, and BASES
There are four bases or nucleotides in DNA,
A(Adenine)
T(Thymine)
G(Guanine)
C(Cytosine)
A goes with T
G goes with C
37 With which kingdoms do bacteria share the same genetic code?
A
animal, plant, fungus and protoctist
B
animal, plant and fungus only
C
animal and plant only
D
animal only
Answer:
The answer you are looking for is A
The bacteria share the same genetic code with animal, plant, fungus and Protista. The correct option is A.
What is genetic code?The set of instructions utilized by living cells to convert data from genetic material contained in proteins is known as the genetic code.
Codons, or words, are the four letters that make up each of the three-letter words that make up a codon in DNA.
The order of bases in DNA or RNA makes up the genetic code. Codons are formed by groups of three nucleotides, and each codon represents one amino acid (or start or stop).
Following the start codon, the codons are read one after the other until a stop codon is reached. The genetic code is unambiguous, redundant, and universal.
The genetic code of bacteria is the same as that of plants, animals, fungi, and protists.
Thus, the correct option is A.
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2. if a cell contains 40 sister chromatids at the start of mitosis, how many chromosomes will be found in each daughter cell at the completion of the cell cycle?
If a cell incorporates 80 sister chromatids at the beginning of mitosis, the number of chromosomes will be 20 in every daughter cellular at the entirety of the cell cycle.
D – The G1 section is prior to replication. throughout prophase I, all chromosomes are composed of two sister chromatids and we have now not yet divided the genetic fabric, so the precise answer is forty chromosomes x 2 chromatids/chromosome = 80 chromatids.
At this point, nuclear division begins, and the determined cell is divided in half, forming 2 daughter cells. each daughter cell could have half of the unique forty-six chromosomes or 23 chromosomes.
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if a somatic cell from a mouse contains 40 picograms of dna during g2 of interphase, then how many picograms of dna would be present in each cell during anaphase i of meiosis?
A mouse somatic cell would contain 40X2=80 picograms of DNA if it has 40 picograms more DNA at g2 of interphase.
What is a cell ?The smallest unit in biology that can sustain life on its own and tries to make up all living things as well as the body's tissues. The cellular membranes, the nucleus, as well as the cytoplasm are the three primary components of a cell. The cell membrane, that completely covers the cell, controls the chemicals that enter and exit the cell. A peer-reviewed scientific publication called Cell publishes research papers in a variety of life sciences fields. Cell was established by Benjamin Lewin in January 1974 under the auspices of MIT Press. After purchasing the book, he started Cell Press on his own in 1986. Lewin sold Cells Press to Elsevier in April 1999.
What are the types of cells and its functions ?Epithelial cells are one type of cell. These Nerve Cells are closely bound to one another. Muscle cells, connective tissue cells, and all these cells were specialized for communication, contraction, and movement. Cells primarily serve as structural and supportive components. You are aware that bricks make up a house, Growth. The simple process of cell multiplication, transportation, energy production, metabolism, and reproduction allows tissues in complex creatures like humans to flourish.
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if the glomerular blood pressure is 65 mm hg, the capsular hydrostatic pressure is 10 mm hg, and the colloidal osmotic pressure in the glomerulus approximates 20 mm hg, what is the effective filtration pressure?
If the glomerular blood pressure is 65 mm hg, the capsular hydrostatic strain is 10 mm hg, and the colloidal osmotic stress within the glomerulus approximates 20 mm hg 25 mmHg 65-(12+28)=25 is the powerful filtration strain.
An increase in glomerular capillary hydrostatic pressure might increase the filtration fee might an increase or lower in stress in Bowman's tablet increases the filtration fee decrease in pressure in Bowman's pill could grow filtration charge.
Increased Bowman's capsule hydrostatic strain will lower GFR, at the same time as reduced Bowman's tablet hydrostatic stress will increase GFR. An example of that is a ureter obstruction to the flow of urine that gradually reasons a fluid buildup inside the nephrons.
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Which type of symbiosis is demonstrated by coral animals which create a reef and the photosynthetic algae that live inside the reef structure, photosynthesize, and provide food for the coral and other herbivores?
Responses
parasitism
mutualism
commensalism
none of these
you are describing the role(s) muscle plays in the movement of joints. what does an accurate description include?
Tendons connect muscle to bone and Ligaments connect muscle to bone.
A tendon is a fibrous connective tissue that attaches muscle to bone. Tendons may also attach muscles to structures such as the eyeball. A tendon serves to move the bone or structure.
A tendon is a cord of strong, flexible tissue. Tendons connect muscles to your bones. Tendons helps in movement of our limbs. Tendon or ligament attaches either directly to the bone or indirectly to it via the periosteum. In both cases, dense fibrous connective tissue connects the tendon/ligament to the periosteum .
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autocrine stimulation is the ability of cancer cells to do what?
Answer: produce and to respond to their own growth factors
Explanation:
______ synthesis begins at a site within a chromosome called the origin of replication.
DNA synthesis begins at a site within a chromosome called the origin of replication.
The origination of replication (ori) as well as all of its regulatory components make up the replicon. The ori would be where DNA replication starts, allowing plasmids to replicate themselves in order to live inside cells.
DNA double helix unwinding occurs at specified locations, known as origins, whereby DNA replication begins. The production of a primer, a brief section of RNA that serves as the beginning point for such synthesis of fresh DNA, follows.
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colony-stimulating factors (csf) are administered to produce which therapeutic effect?
Colony-stimulating factor (CSF) is effective treatment of cyclic neutropenia. Rare blood disorder which is caused by low levels of neutrophils.
Neutrophils are vital to fight the infection by surrounding and destroying the bacteria that enter the body.
CyN is rare. There are an estimated 1-2 cases per 1 million people worldwide
Causes –
1. Mutations
2. Low levels of neutrophils
3. Cell do not perform correctly
The colony-stimulating factors (CSFs) are hematopoietic growth factors (HGFs) involved in regulation of the formation of nonlymphoid blood cells.
Colony-stimulating factors) are secreted glycoproteins that bind to the receptor proteins on the surfaces of hematopoietic stem cells this activates the intracellular signaling pathways causing the cells to proliferate and differentiate into a specific kind of blood cell which is white blood cell
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Dna replication occurs during the _____________ phase and cell replication occurs during the _______________ phase.
A cell goes through Interphase
What is cell division?Cell division is a crucial mechanism in unicellular organisms that helps a unicellular creature change into a new organism. The process of cell division assists multicellular animals in maintaining a balance between the DNA and RNA contents, as well as the nuclear and cytoplasmic contents of the cell. There are five of these phases: prophase, prometaphase, metaphase, anaphase, and telophase. As the final physical cell division after telophase, cytokinesis is frequently regarded as the sixth stage of mitosis. Cell division is the process of reproduction in unicellular organisms; in multicellular creatures, it is the process of tissue growth and maintenance .Walther Flemming was the first to depict various phases of the cell cycle leading to cell division in 1882 after developing techniques to dye cells that revealed intracellular features.
The process of cell division that produces sperm and egg cells is known as meiosis. A crucial aspect of life is mitosis.
A cell goes through Interphase before cell division, a period during which the cell expands and duplicates its DNA in preparation for cell division. The eukaryotic cell cycle's longest phase is this one.
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when an exponentially growing population has a growth rate of 0.2 organisms/individual/yr, and the population is 1000 organisms, what is the slope of the population growth curve? when the population is 3000 organisms, what is the slope of the line?
When the population is 3000 organisms, the slope will be an inclined graph and when the population is 1000 organisms the graph will be a parabola in case of exponential growth.
Exponential growth is the growth when organisms or microorganisms grow in a constant number in interval of time. Exponential growth is also known as log phase growth.
The cells during exponential growth phase are at their healthiest state and are thus used for biochemical and physiological studies. During exponential growth, the cells divided at their maximal rate given the genetic potential, and the environmental conditions.
Mathematically, exponential growth can be explained as the population density is equal to the initial growth added with time of the generation. In the given case, when the growth rate is 0.2 organisms per year. Then the graph obtained will be a parabola when population is 1000 and the graph will incline when the population is 3000. Both of it will be a logarithmic growth.
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In normal e. Coli cells, in which the lac operon is "on," which combination of c r p and lac repressor proteins is bound to the lac operon?.
The combination of CRP and lac repressor proteins bound to the lac operon in normal E. coli cells, in which the lac operon is on is: only CRP.
Lac operon is the cluster of genes that are regulated through a single promoter, and the genes are involved in making protein essential for the lactose metabolism in the bacterial cells. There are three genes involved for this process: gene z, y and a.
CRP stands for cAMP receptor protein. The function of CRP is to binds to the promoter of lac operon and stimulate the transcription of the genes. If the levels of CRP are reduced in the cell, then the operon becomes turned off.
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DNA Sequence CCT CTT TAC ACA CGG AGG GTA CGC TAT TCT ATG ATT ACA CGG TTG CGA TCC ATA ATC
Create an mRNA sequence from the above DNA sequence
Answer:
GGA-GAA-AUG-UGU- GCC-UCC-CAU-GCG-AUA-AGA-UAA-UGU-GCC-AAC-AAC-GCU-AGG-UAU-UAG
that was long
Explanation:
Anyways, we're going to use transcription to turn these DNA codons into mRNA codons so they can be turned into amino acids.
Transcription: - Converting DNA sequences into mRNA sequences.
PAIRS
A(Adenine) goes with T(Thymine)
C(Cytosine) goes with G(Guanine)
another way to remember this is
Apples Under Trees
Cars in Garages
Apple goes with Trees
Cars goes with Garages
But why did I uppercase the U?
In transcription, instead of the A being with the T, it turns into U(Uracil)
THERE ARE NO T'S IN TRANSCRIPTION
Ex: ATC would be UAG
Hope that helped. If needed I can go in depth:)
What is mitosis easy definition?
A eukaryotic cell's nucleus divides in two during the process of mitosis, which is followed by the division of the parent cell into two daughter cells.
What are the feature of Mitosis?Two daughter cells are created from the parent cell during each round of cell division. As a result of the identical chromosome number in the parent and daughter cells, the cell is sometimes referred to as equational cell division. In plants, the process of mitosis promotes the growth of the plant's vegetative parts, such as the root and stem tips. In this process, segregation and combination do not take place.
An organism's development is aided by mitosis. Asexual reproduction occurs during the process of mitosis in single-celled organisms.
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how do your earlier thoughts about OUMUAMUA compare to what you have learned?
My earlier thoughts about OUMUAMUA compare to the thing that I have learned is very different. By learning, i was able to know that it is seen as a form of messenger, all the while, i was thinking it was diabolic.
What set Oumuamua apart?The most convincing justification to date was provided this week by two astronomers from Arizona State University, Alan Jackson and Steven Desch: Oumuamua was a fragment of a distant planet that belonged to a different star. It was once broken off by an asteroid collision and sent hurtling into space.
Note that In 2017, astronomers discovered the enigmatic object known as 1I/'Oumuamua, which is Hawaiian for the the term "scout" or we can say that it is "messenger." ' The speed and route of Oumuamua indicated that it was created outside of the solar system, making it the first interstellar object ever discovered.
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a neuron and a white blood cell have very different functions. for example, a neuron can receive and respond to electrical signals, while a white blood cell defends the body against infection. this is because group of answer choices all of the proteins found in a neuron are completely different from the proteins found in a white blood cell. the neuron and the white blood cell within an individual have the same genome. the neuron expresses some mrnas that the white blood cell does not. neurons and white blood cells are differentiated cells and thus no longer need to transcribe and translate genes.
The blood cells and neurons are wholly separate populations, and the two cell types are not interdependent in any way.
The Correct Answer is : the neuron expresses some mRNAs that the white blood cell does not.
Do white blood cells have RNA?Protein can be produced by white cells that have a nucleus and can create ribonucleic acid (RNA). White blood cells are highly differentiated for their particular functions, so they do not divide into new cells in the bloodstream (mitosis), yet some still have this ability.Leukocytes, thrombocytes, and erythrocytes make up human blood. When determining the amount of nucleic acid in human blood, leukocytes—the only cells with a nucleus—are crucial. While erythrocytes and thrombocytes do contain a small quantity of RNA, they lack a cell nucleus.Here, we report the presence of standard bands for the eukaryotic RNAs 28S and 18S in human RBCs. According to microarray research, erythrocytic RNA contains transcripts from 1019 distinct genes.To Learn more About blood cells and neurons refer to:
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painful swelling, partly due to accumulation of gas, and rapidly spreading subcutaneous tissue necrosis is characteristic of a wound infection by: group of answer choices clostridium tetani. streptococcus pyogenes. mycobacterium leprae. clostridium perfringens. bacillus anthracis.
A wound infection caused by Clostridium perfringens is characterised by painful swelling, which is partially due to gas buildup, and swiftly developing subcutaneous tissue necrosis.
Anaerobic Gram-positive spore-forming bacterium Clostridium perfringens is linked to acute gastrointestinal infections in people that range in severity from diarrhoea to necrotizing enterocolitis and myonecrosis. The Clostridium perfringens (C. perfringens) bacterium is what causes the Clostridium perfringens foodborne sickness. C. perfringens is frequently found in the intestines of both people and many animals. It is also present in contaminated soil and other areas.
Clostridium species that produce toxins and gas are the source of clostridial gas gangrene, a very fatal necrotizing soft tissue infection of the skeletal muscle. Both the cause and the target tissue are best described by the term clostridial myonecrosis. Thus, anaerobic, spore-forming, and gas-producing Clostridium subspecies are responsible for the extremely rare but deadly condition known as Clostridial Gas Gangrene (GG) or Clostridial Myonecrosis.
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how do only certain cells respond to particular signaling molecules that may be sent throughout the body? see section 11.3
The right receptor is expressed by them. Each chemical involved in cell-cell communication attaches to a particular protein receptor. The right receptor for a particular signaling chemical will only be present in specific cell types.
Why do cells react to particular signaling molecules only?A signaling molecule changes the shape or activity of its receptor when it binds to it, which causes a change inside the cell.
How do signal molecules affect cellular behavior?Regardless of the type of signal, the target cell reacts by way of a specific protein called a receptor, which specifically binds the signal molecule and then triggers a response in the target cell.
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precursors of peptide neurotransmitters are synthesized in the _______ and packaged into vesicles in the _______.
Answer: rough endoplasmic reticulum; trans-Golgi network
Explanation:
Precursors of peptide neurotransmitters are synthesized in the rough endoplasmic reticulum and packaged into vesicles in the trans-Golgi network.
What is the endoplasmic reticulum?The Smooth ER is responsible for storage and lipids production, while the rough ER is responsible for the production of proteins and some hormones.
Hence, their terms, rough and smooth endoplasmic reticulum, the smooth is like a fine tube whereas the rough consists of ribosomes on its surface. Both the smooth and rough endoplasmic reticulum work together, delegate tasks, and are the site for the production and storage of proteins.
Therefore, The rough endoplasmic reticulum produces precursors of peptide neurotransmitters, which are then packaged into vesicles in the trans-Golgi network.
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What part of the cell cycle has been disrupted to allow for the formation of cancer cells?.
The formation of cancer cells occurs in the interphase cell cycle which is disrupted, precisely when DNA synthesis is in the S phase.
How does the cell cycle affect cancer?In many cancer cells, the number of chromosomes changes so that there are either too many or too few chromosomes in the cell. These cells are said to be aneuploid. Errors can occur during DNA replication resulting in mutations and possible development of cancer.
Cancer is the result of uncontrolled cell division caused by damage to the mechanism that regulates the cell cycle. Loss of control begins with a change in the DNA sequence of a gene that codes for one of the regulatory molecules. Incorrect instructions cause the protein to not work as it should.
Cells that progress through an uncontrolled cell cycle may eventually form a malignant tumor, in which masses of cells grow and divide uncontrollably, then develop the ability to spread and migrate throughout the body.
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During what process are parental dna strands used as templates for the synthesis of new dna strands?.
Answer:replication
Explanation:
Which statement best describes enzymes?
A) slow down the rate of breathing
B) they are the building blocks of polymers
C) they speed up the conduction of impulses along a nerve cell
D) they influence the rate of chemical reactions
Answer:
D) they influence the rate of chemical reactions
A ______ is synthesized from cholesterol and can diffuse across the plasma membrane.
A steroid hormone is synthesized from cholesterol and can diffuse across the plasma membrane.
Steroid hormone belongs to the class of chemical compounds called steroids. The function of steroid hormones is to help control metabolism, inflammation, immune functions, salt and water balance, development of sexual characteristics, and the ability to withstand injury and illness.
Cholesterol is the fat substance synthesized by the liver. It is found dissolved in the blood. It is also an important component of the plasma membrane. Some amount of cholesterol is good for body to make essential materials for the body. However excess of cholesterol can cause heart diseases.
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When a substance is adapted to meat, amino acids are produced.
What is this substance?
Which factor is a density-dependent limiting factor on the florida manatee population?.
Seagrass is a density-dependent limiting factor for the Florida manatee population.
Population density is correlated with density-dependent factors, which become more restrictive as density rises. The accessibility of food, water, and space, as well as the presence of diseases or predators, are examples of density-dependent factors.
Large aquatic creatures called Florida manatees are native to the state of Florida. Manatees can grow to be over 13 feet long and weigh more than 3,500 pounds, but they are normally 9 to 10 feet long from snout to tail and weigh about 1,000 pounds. Typically, manatees consume seagrass. Therefore, the availability of seagrass may be a limiting issue that worsens as the number of manatees rises.
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“The study of cells had its birth with the invention of microscope, but it became a product of the 19th century.” What does this mean?
The invention of microscope led the scientists to look at the tiniest of the things that human eyes were not capable of. A Dutch glassmaker named Zacharias Janssen, invented the microscope which turned out to be the most important invention in the scientific history.
What is a Cell?
In 1665, It was Robert Hooke who came up with the name suggestion called CELL.The word Cell is derived from the Latin word Cella, meaning, Small Room/Chamber/Compound.Cells are known as the smallest unit of Life, that makes up all living organisms and the body tissues.Cells basic function is to provide a structure to the body by combining tissues and extracting nutrients from food and then converting it into energy form to carry out all the basic functions in a living organism.How did microscope became a product of the 19th century?
Even though microscope was invented in the 16th century, but It came in action more in the 19th century.Scientists were amazed by the fact that now the tiniest of tissues can be seen that no ordinary human eyes had ever been able to see before. Major improvements were initiated to the microscopes in the 19th century by the scientists .For example, Achromatic Lenses were implemented, in which the colors can be seen exactly as they are without dispersing it into its diverse constituent colors.And that is how in the 19th century, the development of cell theory was introduced.To learn more about the Microscopes, check this link:
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If pacific field male crickets in hawaii attract females by rubbing their wings together to sing, why is it that in some places up to 90% of the males no longer sing? how could this have evolved?.
The reason why 90% of male crickets no longer sing is Convergent evolution.
What is convergent evolution?It is the independently occurring evolution of traits that are shared by species across historical eras. Analogous structures with similar functions or forms are created as a result of this evolution. They are not present in those units' most recent shared ancestor, though.
Despite the resemblance of the structures, homology is not reflected. Similarity can exist at the phenotypic level, where lineages exhibit identical outward traits yet have different implicit DNA sequences. This kind of evolution occurs when species occupy comparable ecological niches, accommodate similarly, and respond similarly to selective pressures. The "analogous structures" that result from convergent evolution. In contrast, homologous structures are understood to have a single origin.
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Convergent evolution explains why 90% of male crickets no longer sing.
Why did Hawaiian island crickets develop to lose the sound that males sing to entice females?On two Hawaiian islands, crickets have acquired the incapacity to sing in order to conceal themselves from dangerous flies. Males first came on Kauai and Oahu ten years ago, two years apart. Their wings, which they usually rubbed together to chirp and attract females, were altered.
What led to the existence of crickets with different wing ridges?Additional study has validated the scientists' hypotheses that a mutation to a single gene on the X chromosome of crickets results in the quiet wing feature. This discovery contributes to the understanding of how the mutation became so prevalent in fewer than 20 generations, or the evolutionary equivalent of a blink of an eye.
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