Answer: Empirical evidence is any information you can collect through the processes of observation, experimentation or the use of human senses. Acquiring empirical evidence is a vital step in the scientific method, as it gives researchers the opportunity to collect, organize and study any data that results from their work.
explain what would happen if the researchers did not include the promoter in the dna sequences added to the caldi genome. would the acetaldehyde and alcohol dehydrogenase enzyme be produced in the caldi cells?
No, the acetaldehyde and alcohol dehydrogenase enzymes would not be produced in the caldi cells.
What is DNA?
Deoxyribonucleic acid is indeed a polymer made of two polynucleotide chains which coil around one another to form a double helix and which contains the genetic material necessary for all known organisms, including many viruses, to develop, function, grow, and reproduce. Nucleic acids are one of the four main categories of macromolecules that are necessary for all known forms of life, along with proteins, lipids, and complex carbohydrates (polysaccharides). Because the two DNA strands are made up of simpler monomeric units called nucleotides, they are referred to as polynucleotides.
A gene's promoter is the region of DNA where transcription first starts. In expression vectors, promoters are crucial because they control how RNA polymerase binds to DNA. RNA polymerase changes DNA into mRNA, which is then translated into the a useful protein.
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Moving very large molecules out of the cell using a vesicle from the cell membrane is known as?
Answer: exocytosis
Explanation:
- When molecules are too large or too charged to cross the plasma membrane by diffusion or osmosis, they use vesicular transport, also known as exocytosis. In vesicular transport/exocytosis, vesicles allow large molecules to exit the cell because the vesicle fuses with the plasma membrane and its contents spill out.
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A cell has the following molecules and structures: DNA, enzymes, ribosomes, cell membrane and mitochondria. It could be a cell from:
A) Any type of cell
B) A bactetium
C) An animal cell but not a plant cell
D) Either a plant or an animal cell
E) A plant cell but not an animal cell
Answer:
D
Explanation:
A cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane and mitochondria, it could be a cell from
a) a bacterium.
b) an animal, but not a plant.
c) a plant, but not an animal.
d) a plant or an animal.
e) any kind of organism.
Cells: Prokaryotic vs Eukaryotic and Animal vs Plant
Cells are generally broken into two basic categories based on their structures. Cells that are prokaryotic are smaller and less complex than eukaryotic cells. Prokaryotic cells differ from eukaryotic cells because they do not contain membrane-bound organelles. On the other hand, eukaryotic cells have features like a nucleus and mitochondria as well as a long list of other organelles. Bacteria are a typical example of a prokaryote. Plants and animals are examples of eukaryotes.
Animal cells and plant cells are similar because they are both types of eukaryotic cells. The main differences are that plant cells have other specialized parts not found in animal cells, such as the cell wall and chloroplasts where photosynthesis takes place.
in drosophila, an ncrna called rox is involved in dosage compensation. rox is part of the msl complex, which binds to the x chromosome and recruits histone-modifying enzymes to the chromatin. rox is required for the msl to bind to the x chromosome. what function is this ncrna playing?
In Drosophila, an ncRNA plays a crucial role in directing Rox RNA and its non-coding genes for protein production.
RoX RNA can be a non-coding RNA (ncRNA) shown inside the male-specific dangerous (MSL) complex and is required for sex estimation compensation in Drosophila.
This can be fulfilled by the MSL complex official to the X chromosome and inciting histone H4 lysine 16 acetylation and licenses for the course of action of euchromatin. These ncRNAs were, to start found in RNA removed from neuronal cells.
Two roX RNAs have been recognized inside the MSL complex from Drosophila melanogaster and have shown up to be directed over different drosophila species.
The two roX RNAs, known as roX1 and roX2 have been shown up to differentiate in the basic course of action and course of action length but despite these contrasts, they both contain an MSL definitive area and are essentially redundant.
Cloning roX qualities and resulting gathering course of action from a few unmistakable drosophila species recognized some directed districts and it was moreover taken note that roX RNA is because it appeared in male flies.
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Hey guys facing a bit of difficulties on these 5 questions, could someone help? That'd be appreciated thanks.
Answer:
accumulation is the answer
you perform an experiment like that performed by fraenkel-conrat and singer on tmv. however, in the first step when the viruses are reconstituted, you decide to add rnase to your hr rna and wild-type proteins. what will be the content of the newly made viral proteins after the reconstituted virus is placed on leaves?
The protein will contain histidine and methionine will be the content of the newly made viral proteins after the reconstituted virus is placed on leaves.
What does protein do in the body?Protein is present in every human cell. The amino acid chain makes up the basic building block of proteins. In order for the body to repair damaged cells and create new ones, you require protein in your food. Children, teenagers, and expectant women all need proteins for healthy development and growth.
Can you live without protein?However, since we cannot store protein, we can only go up to 70 days without any protein. Protein is indeed the sole nutrient that we must consume consistently in order to flourish since we can't produce this from scratch and we can't store extra.
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What is the function of the cell membrane of this bacterium
A. To produce ADP
B. To form the only protective layer preventing damage from outside
C. To control entry and exit of substance
D. To synthesize proteins
C. To control entry and exit of substance
Answer: C. To control entry and exit of substance
Explanation: The whole purpose of a cell is tk regulate the transport of materials entering and exiting the cell so i presume c is the answer. You said "this baterium" so i asume that a picture was supposed to be sent with the question, to be safe i suggest you send the picture so we can make sure you get the correct answer.
WHAT'S THE ANSWER??
which of the following statements is false? in its interaction with hemoglobin, oxygen is: i. reversibly bound. ii. a prosthetic group. iii. bound at the 6th coordination position of the fe(ii) ion in the heme. iv. homoallosteric effector. v. a ligand.
The statement "In its interaction with hemoglobin, oxygen is a prosthetic group." (i) is false.
Hemoglobin heme groups can contain four oxygen molecules because each iron atom has the potential to bond to one oxygen molecule. Hemoglobin can transport a maximum of four oxygen molecules because to the capacity of the iron atom in each heme group to attach one oxygen molecule.
Some proteins require a special non-protein component known as a prosthetic group in order to function. It is strongly bound to proteins. An organic lipid, vitamin, sugar, or an inorganic metal ion are examples of natural forms that a prosthetic group can take.
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Frankie was selected as the commencement speaker for this year’s graduation and experiencing imposter syndrome. To help overcome their imposter syndrome, frankie begins to engage in positive self-talk. Before frankie practices the speech, they now say that they are an amazing speaker and have a lot of great ideas to share. What practice is frankie engaging to overcome imposter syndrome?.
Impostor syndrome is a psychological condition in which a person feels like a fraud and that they are not as skilled as other people think they are.
What is imposter syndrome?Imposter syndrome, to put it simply, is the sensation of being a fraud in some aspect of your life, notwithstanding any success you may have had there.
There is no recognized medical diagnosis for imposter syndrome. Instead, the phrase is most often used to refer specifically to achievement and intelligence, while it also has associations with social environment and perfectionism. In the 1970s, psychologists Suzanna Imes and Pauline Rose Clance coined this phrase.
Therefore, Impostor syndrome is a psychological condition in which a person feels like a fraud and that they are not as skilled as other people think they are.
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crossing over between sister chromatids does not result in recombination of genetic material while crossing over between non-sister chromatids does because
Crossing occurs between sister chromatids that does not help in recombination because sister chromatids have the similar alleles, on the other hand non sister chromatids have different alleles .
Crossing over mostly occurs in-between prophase I and metaphase I it is the place were two homologous non-sister chromatids combine with each other and share their genetic material in order to form two recombinant chromosome sister chromatids.
Crossing over that takes place between sister chromatids, are genetically identical, such crossing over will not result in genetic recombination. After crossing over, the sister chromatids for each chromosome that are no longer identical to one another.
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Which of the following is an input to the light dependent reaction?
O Oxygen
OPyruvic acid
Water
Glucose
Answer: A class hypothesized that water pollution affects the growth of ... These reactions take the light-dependent reactions and perform further chemical.
66 pages
Explanation:
JESUS SAVES EVERYONE JUST PRAY, HE IS ALWAYS LISTINING !
researchers often want to isolate a certain type of rna. for some rna species, this can be accomplished via affinity chromatography, using beads coated with chains of poly-deoxythymidine (poly-dt). the desired rna will stick to the beads while unwanted rnas will flow through the column. the retained rna can then be eluted. what rna species can be purified using this method? researchers often want to isolate a certain type of rna. for some rna species, this can be accomplished via affinity chromatography, using beads coated with chains of poly-deoxythymidine (poly-dt). the desired rna will stick to the beads while unwanted rnas will flow through the column. the retained rna can then be eluted. what rna species can be purified using this method? eukaryotic mrna eukaryotic rrna bacterial mrna bacterial rrna
According to the given statement Eukaryotic mRNA species can be purified using this method.
The correct option is C.
What is an eukaryotic ?Any cell or organism that has a distinct nucleus is said to have been eukaryote. The nucleus of a eukaryotic cell, which contains a well chromosomes (bodies holding the genetic material), is protected by a nuclear membrane.
What are eukaryotic cells made of?Eukaryotic cells can also have other organelles outside the nucleus, such as mitochondria, plastids, the endoplasmic, the Golgi apparatus, and lysosomes. Each of these organs carries out a distinct task that is essential to the survival of the cell.
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The complete question is -
Researchers often want to isolate a certain type of RNA. For some RNA species, this can be accomplished via affinity chromatography, using beads coated with chains of poly-deoxythymidine (poly-dT). The desired RNA will stick to the beads while unwanted RNAs will flow through the column. The retained RNA can then be eluted.
What RNA species can be purified using this method?
A. bacterial mRNA
B. bacterial rRNA
C. eukaryotic rRNA
D. eukaryotic mRNA
Select the correct order of the final three stages in the lytic cycle:
The correct order of the final three stages in the lytic cycle is Assembly > Transduction > Release
What is a lytic cycle ?One of the two viral reproduction cycles, the other being the lysogenic cycle, is the lytic cycle. The infected cell and its membrane are destroyed as a result of the lytic cycle. Violent phages are bacteriophages that exclusively use the lytic cycle.
The lytic cycle contains four steps: infecting a host (a process known as exposure), transferring genetic information into a cell, exploiting the cell's metabolic processes to produce more viruses, and ultimately weakening the cell walls until the host cell lyses, or bursts open due to excessive internal pressure.Learn more about Lytic cycle here:
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More energy can be released from fat molecule than from glucose molecule because the fat molecule contains more
Answer:
chemicals bonds
Explanation:
the more bonds, the more energy released!
PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
C some plants
Explanation:
Give a detailed overview of your topic including their origin story (Hyperion greek mythology)
Hyperion was one of the twelve Titan kids of Gaia (Earth) and Uranus in Greek mythology (the Sky). Helios (the Sun), Selene (the Moon), and Eos are the products of Hyperion and his sister, the Titaness Theia (the Dawn).
Where does Greek mythology come from?Greek creation legend. The Ancient Greeks held the view that the world was initially in a state of chaos, or complete emptiness. Gaia (Mother Earth), Uranus (the sky), and other ancient gods (known as primordials), including Pontus, appeared out of thin air (the primordial god of the oceans).
Hyperion assisted his siblings in overthrowing their father, Uranus, and later rose to become one of the Titan pillars, notably the East pillar, which supports the sky in the universe. He is also credited with establishing the sun and moon cycles for his offspring.
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what is the expected frequency of heterozygotes if the population is in hardy-weinberg equilibrium? researchers studying a small milkweed population note that some plants produce a toxin and other plants do not. they identify the gene responsible for toxin production. one allele (t1) codes for an enzyme that makes the toxin, and another allele (t2) codes for a nonfunctional enzyme that cannot produce the toxin. heterozygotes produce an intermediate amount of toxin. the allele frequency of t1 is determined to be 0.6 and the allele frequency of t2 is 0.4. what is the expected frequency of heterozygotes if the population is in hardy-weinberg equilibrium? 0.5 0.48 0.65 0.25
If a population has two alleles at a locus and the allele frequencies are p and q, then the genotype frequencies are p2, 2pq, and q2.
0.48 is the expected frequency of heterozygotes if the population is in hardy-weinberg equilibrium.
What are the expected frequencies for Hardy-Weinberg equilibrium?If a population has two alleles at a locus and the allele frequencies are p and q, then the genotype frequencies are p2, 2pq, and q2. Once a population is in Hardy-Weinberg equilibrium, the frequency distribution does not change from generation to generation.In populations that are not evolving, Hardy-Weinberg Equilibrium (HWE) is used to estimate the number of homozygous and heterozygosity terozygous variant carriers based on allele frequency. Expected (Hexp = 2pq) for a 2-allele system as a function of allele frequency, p. It is worth noting that heterozygosity peaks at 0.5 when the allele frequencies are equal (p=q).
H exp = 2pq = 2 x .4 x .6 =0.48.
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There are two DNA strands in the picture of question 1. These strands run in opposite directions from 5' to 3' we call these....
Answer: Antiparallel
Explanation:
DNA is composed of two strands of nucleotides. The strands each run from 5' to 3' and run in antiparallel, or opposite, directions from one another.
Why can an individual be a carrier but not have the disorder?A) Because it is not expressedB) Because it does not effect the individual visiblyC) Because the individual received therapy to overcome the disorderD) Because the individual received surgery to get rid of the disorder
When a genetic disorder is not manifested means that even when is coded in the genes is not expressed, this can be due to a different factor, being the main reason that is a recessive gene masqued by the healthy dominant gene. Therefore the correct answer is letter A.
When heart muscles cells are deprived of oxygen, the heart still pumps for some time. What must the heart cells be able to do?.
Answer:
derive sufficient energy from fermentation
When heart muscle cells are deprived of oxygen, they can still continue pumping for a short period due to their ability to generate energy through anaerobic metabolism.
The heart cellsHeart muscle cells have the capacity to produce energy through anaerobic metabolism, which allows them to continue pumping for a brief amount of time when oxygen is not present. A limited quantity of energy is produced via anaerobic metabolism, a process that takes place without oxygen and supports temporary cellular processes.
Heart muscle cells predominantly utilise oxygen during aerobic metabolism (when oxygen is present) to make ATP (adenosine triphosphate), the main source of energy for cells. Aerobic metabolism, however, cannot be maintained when the oxygen supply is insufficient, such as when a coronary artery suddenly blocks, resulting in a heart attack.
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if the original dna sequence is 3' - gtt tac ctc tcc gac atc - 5' [template strand] 5' - caa atg gag agg ctg tag - 3' [coding/non-template strand] a point mutation occur and change the sequence to 3' - gtt tac atc tcc gac atc - 5' [template strand] 5' - caa atg tag agg ctg tag - 3' [coding/non-template strand] what type of mutation is this?
The given type of mutation is nonsense mutation which results from point mutation.
A nonsense mutation in a DNA sequence causes a premature stop codon, also known as a nonsense codon, in the transcribed mRNA as well as a shortened, ineffective, and typically nonfunctional protein product.
As was mentioned previously, a nonsense mutation happens when a stop codon replaces an amino acid's codon. A shortened and typically nonfunctional protein is the result of this mutation. By altering a tRNA molecule's anticodon sequence such that it recognizes the stop codon instead of the start codon, such a deficiency may be at least partially repressed.
Therefore, the given type of mutation is nonsense mutation which results from point mutation.
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ASAP Summarize the lytic cycle.(1 point)
Responses
A virus copies its genetic material and then splits its cell membranes in half to form identical viruses.
A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.
A virus lays eggs on the host cell’s protein coat, which then hatch and move on to infect other cells.
The viral DNA incorporates itself with the host cell and replicates whenever the host cell replicates itself.
Answer:
A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.
Explanation:
There are two cycles of viral replication.
1. Lytic
2. Lysogenic
The lytic cycle involves the destruction of the cell to release viral particles.
The lysogenic cycle incorporates the DNA into the host's genome and the DNA is replicated when the cell replicates. This cycle can turn into the lytic cycle in a process called induction.
A person can have hundreds of different type of cells because:different cells result from genetic variation in meiosis.different cell types have different genes.different cell types all have the same genes but have different genes active.None of these choices is correct.
Humans have specialized cells in the body. Each cell type performs a unique function. Humans have different type of cells with different structures and functions.
All the cells in a human's body contain the same DNA. However, the human body is composed of many different types of cells. Because of gene regulation, each cell type possess a different set of active genes although all the cells of the body contain the same DNA.
Answer - different cell types all have the same genes but have different genes active.
______ is a specialized type of cell division that produces cells that are genetically different from each other.
Meiosis is a specialized type of cell division that produces cells that are genetically different from each other.
Cell division is the process through which all cells are created from other cells. Meiosis is a specific type of cell division that generates reproductive cells like sperm and egg cells as well as plant and fungus spores. A "parent" cell generally divides into two or more "daughter" cells during this process. The parent cell can transmit its genetic material in this manner from generation to generation.
Meiosis is a specific type of cell division that takes place in sexually reproducing organisms. It generates reproductive cells like sperm, egg, and spores in plants and fungi, as was previously indicated. In humans, germ cells go through a process called meiosis to develop into sperm or eggs.
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The moorish idol fish lives in coral reefs around the world. its oceanic environment is saltier than the environment inside its cells. the idol fish requires energy to maintain the environment in its cells. which structure in a moorish idol fish's cells produces the energy it needs?
The shape of a Moorish idol fish's cells produces the strength it needs is mitochondria.
Moorish idols are pelagic spawners; this is, they launch eggs and sperm inside the water column, leaving fertilized eggs to drift away with the currents. Moorish idols, Zanclus cornutus, prefer flat reefs in depths between three m – 182 m and may be observed in both clear and murky subtropical glasses of water, including internal lagoons, and rocky and coral reefs.
Moorish idols will often choose at massive polypod stony corals and certain gentle coral polyps. despite the fact that this fish commonly eats coralline algae and sponges in nature, this does not imply that it might not choose different styles of sessile invertebrates, or perhaps even motile crustaceans.
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what are some examples of mesophytes xerophytes
Answer:
Plants adapted to dry, hot and arid climates are considered xerophytes. Examples include the entire yucca family, acacia trees, and mesquite trees.
Since mesophytes prefer moist, well drained soils, most crops are mesophytes. Some examples are corn (maize), cucurbits, privet, lilac, goldenrod, clover, and oxeye daisy.
in drosophila, a key step in initiating the dorsal-ventral body axis involves follicle cells building a signal into the eggshell. which follicle cells create a functional signaling molecule?
The follicle cells create a functional signaling molecule is ventral follicle cells.
What is a dorsal-ventral axis?The dorsal/ventral axis is defined as a line that is perpendicular to the anterior/posterior and left/right axes. An organism's dorsal end is located on its top or back. The ventral end of an organism is defined by its bottom or front side.
In Drosophila embryos, the formation of the dorsal-ventral pattern is dependent on a signaling mechanism in which a putative extracellular ligand released into the area around the embryo known as the perivitelline space binds to the Toll receptor.
The focus protein in the dorsoventral polarity development of the developing fly is called dorsal (DL). It is a transcription factor that regulates the expression of zygotic genes necessary for early development along the dorsoventral axis.
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Which unit represents speed?
A. newtons
B. miles per hour
C. joules
D. kilometers per second
Answer: B. miles per hour
Explanation:
A is wrong because it is a unit of physic.
C is wrong because it is unit for energy
D is wrong because second is not a unit for speed
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a phagehunter plates 4000 phage particles onto a pyca plate with gordonia terrae. the burst size of the phage is 50 phage particles per round of replication. after one round of replication, how many phage particles are present on this plate?
The number of phage particles present on this plate is 50 Million phages.
When a plague started with one phage, after 1st round of replication it will produce 10 virus particles. After another round, each of the 10 viruses will produce 10 virus particles each, totaling 100 particles. And then after 3rd round, each of the 100 phages will produce 10 each = 1000 phages. So, (10)^3
Initially, 400 phages are present, and the burst size is 50., After 3 rounds, the number of phages will be = 400× (50)^3
= 50 Million phages.
DNA replication is the procedure via which a double-stranded DNA molecule is copied to provide identical DNA molecules. Replication is an essential method because, each time a mobile divides, the two new daughter cells must comprise the same genetic information, or DNA, as the discern cell.
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