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Question 8 0.5 pts Which of the following statements is false as it pertains to gene...
Question 3 3 pts What makes GFP fusion proteins more useful than western blotting when studying...
Question 3 3 pts What makes GFP fusion proteins more useful than western blotting when studying expression of a specific gene during development? Select all correct. Western blotting requires you to kill the cells, but GFP fusions let you see the protein in living cells Western blotting lacks the spatial and temporal information that you can get GFP fusion proteins Western blotting detects mRNA, not protein. Western blotting amplifies the amount of total protein present, which prevents you from understanding...
Question 4 0.5 pts Which of the following statements about the salt bridge in a voltaic cell is false? The ions fro...
Question 4 0.5 pts Which of the following statements about the salt bridge in a voltaic cell is false? The ions from the salt bridge participate in the half-reactions, It allows electrical contact between the two solutions in the half-cells. It prevents mixing of the electrode solutions. It maintains the electrical neutrality in each half-cell .lons flow into and out of the salt bridge. Question 5 0.5 pts Which of the following statements about voltaic cells is false? Electrons flow...
Question 13 7 pts Which of the following statements accurately describes why an animal cell would...
Question 13 7 pts Which of the following statements accurately describes why an animal cell would be surrounded by an extra cellular matrix instead of a cell wall? Hint: • Extracellular components a video • Textbook chapter 4 under section 4.6 A cell wall would completely isolate the neighboring cells that are found within multicellular organisms, and because of this, it would prevent the ability of those cells to communicate with each other. The polysaccharide cellulose that is found in...
Question 1 0.5 pts Which of the following statements describes the evolutionary advantage of producing a...
Question 1 0.5 pts Which of the following statements describes the evolutionary advantage of producing a seed? A seed alleviates the need for liquid water for fertilization. A seed allows the land plant to prioritize the diploid phase of its life cycle. A seed protects a plant embryo. It also contains a supply of food for the new plant, and it aids in plant dispersal. A seed improves the distribution of sperm cells to ovulate cones and flower carpels.
please answer all 6 questions Question 27 3 pts TRBP is a protein important for the...
please answer all 6 questions
Question 27 3 pts TRBP is a protein important for the formation of the RISC complex. Which of the following would you expect in cells with null mutations in TRBP? o Reduced siRNA-mediated mRNA degradation o Increased miRNA-mediated translational repression o Increased deadenylase-mediated mRNA degradation o Reduced proteasome-mediated protein degradation D Question 28 3 pts A protein that binds to the 3' UTR of a VEGF mRNA and promotes deadenylation and uncapping is likely to:...
8. Which of the statements about the organization of complex multicellular organisms is false? Only some...
8. Which of the statements about the organization of complex multicellular organisms is false? Only some cells are in direct contact with the environment. Exterior cells receive environmental signals directly, whereas interior cells receive environmental signals indirectly Exterior cells are highly differentiated, whereas interior cells are not differentiated. Interior cells cannot grow as fast as exterior cells without mechanisms to transfer nutrients between cells. Signals transferred from exterior cells to interior cells can activate or repress gene expression in the...
Question 18 2 pts 2 pts 2 013 Which of the following statements correctly describes the...
Question 18 2 pts 2 pts 2 013 Which of the following statements correctly describes the normal tonicity conditions for typical plant and animal cells? The animal cell is in a hypotonic solution, and the plant cell is in an Isotonic solution The animal cell is in an isotonic solution, and the plant cell is in a hypertonic solution The animal cell is in a hypertonic solution, and the plant cellis in an isotonic solution The animal cell is in...
Question 25 3 pts Given the following DNA template, the sequence of the protein made is:...
Question 25 3 pts Given the following DNA template, the sequence of the protein made is: 5'-AGC TCG AAT TCG CTT CAT GCT AGC TAG------(+1)--------(-10) ----------(-35) Leu-Ala-Cys-Met-Lys-Arg.lle-Arg-Ala Asp-Arg-Ser-Tyr-Phe-Ala-Stop Met-Ala-Ser-Stop Met-Lys-Arg-lle Arg-Ala Ser-Ser-Asp-Ser-Leu-His-Alo Ser-Stop 3 pts Question 30 In a cancer genomes database, you find multiple mutations in the BMV gene in several types of cancers. The majority of these cancer-associated mutations are heterozygous (having also one wild type allele), and expression of these mutant versions of BMV in normal cells...
please answer all 4 questions :) Question 7 3 pts Which of the following occur in...
please answer all 4 questions :)
Question 7 3 pts Which of the following occur in both B cells and T cells? o isotype switching O somatic recombination o alternative splicing to produce different isoforms of the receptor o alternative splicing to produce a secreted form of the receptor o somatic hypermutation Question 8 3 pts Multiple factors that increase antigen receptor diversity also increase formation of non- productive alleles. Which of the following would generate a non-productive allele? Select...
Question 8 1 pts Which of the following is NOT true about sexual selection? Sexual selection...
Question 8 1 pts Which of the following is NOT true about sexual selection? Sexual selection operates only on males because they are the ones that compete and females are the "choosy" ones Wb Which types of sexual signals evolve in a given lineage may depend on pre-existing sensory biases (eg. whether individuals can see in color, or what sounds they like) Sexual signals are often "expensive" (in energy, or risks to safety), which means that usually only healthy individuals...
Question 3 3 pts What makes GFP fusion proteins more useful than western blotting when studying expression of a specific gene during development? Select all correct. Western blotting requires you to kill the cells, but GFP fusions let you see the protein in living cells Western blotting lacks the spatial and temporal information that you can get GFP fusion proteins Western blotting detects mRNA, not protein. Western blotting amplifies the amount of total protein present, which prevents you from understanding...
Question 4 0.5 pts Which of the following statements about the salt bridge in a voltaic cell is false? The ions from the salt bridge participate in the half-reactions, It allows electrical contact between the two solutions in the half-cells. It prevents mixing of the electrode solutions. It maintains the electrical neutrality in each half-cell .lons flow into and out of the salt bridge. Question 5 0.5 pts Which of the following statements about voltaic cells is false? Electrons flow...
Question 13 7 pts Which of the following statements accurately describes why an animal cell would be surrounded by an extra cellular matrix instead of a cell wall? Hint: • Extracellular components a video • Textbook chapter 4 under section 4.6 A cell wall would completely isolate the neighboring cells that are found within multicellular organisms, and because of this, it would prevent the ability of those cells to communicate with each other. The polysaccharide cellulose that is found in...
Question 1 0.5 pts Which of the following statements describes the evolutionary advantage of producing a seed? A seed alleviates the need for liquid water for fertilization. A seed allows the land plant to prioritize the diploid phase of its life cycle. A seed protects a plant embryo. It also contains a supply of food for the new plant, and it aids in plant dispersal. A seed improves the distribution of sperm cells to ovulate cones and flower carpels.
please answer all 6 questions
Question 27 3 pts TRBP is a protein important for the formation of the RISC complex. Which of the following would you expect in cells with null mutations in TRBP? o Reduced siRNA-mediated mRNA degradation o Increased miRNA-mediated translational repression o Increased deadenylase-mediated mRNA degradation o Reduced proteasome-mediated protein degradation D Question 28 3 pts A protein that binds to the 3' UTR of a VEGF mRNA and promotes deadenylation and uncapping is likely to:...
8. Which of the statements about the organization of complex multicellular organisms is false? Only some cells are in direct contact with the environment. Exterior cells receive environmental signals directly, whereas interior cells receive environmental signals indirectly Exterior cells are highly differentiated, whereas interior cells are not differentiated. Interior cells cannot grow as fast as exterior cells without mechanisms to transfer nutrients between cells. Signals transferred from exterior cells to interior cells can activate or repress gene expression in the...
Question 18 2 pts 2 pts 2 013 Which of the following statements correctly describes the normal tonicity conditions for typical plant and animal cells? The animal cell is in a hypotonic solution, and the plant cell is in an Isotonic solution The animal cell is in an isotonic solution, and the plant cell is in a hypertonic solution The animal cell is in a hypertonic solution, and the plant cellis in an isotonic solution The animal cell is in...
Question 25 3 pts Given the following DNA template, the sequence of the protein made is: 5'-AGC TCG AAT TCG CTT CAT GCT AGC TAG------(+1)--------(-10) ----------(-35) Leu-Ala-Cys-Met-Lys-Arg.lle-Arg-Ala Asp-Arg-Ser-Tyr-Phe-Ala-Stop Met-Ala-Ser-Stop Met-Lys-Arg-lle Arg-Ala Ser-Ser-Asp-Ser-Leu-His-Alo Ser-Stop 3 pts Question 30 In a cancer genomes database, you find multiple mutations in the BMV gene in several types of cancers. The majority of these cancer-associated mutations are heterozygous (having also one wild type allele), and expression of these mutant versions of BMV in normal cells...
please answer all 4 questions :)
Question 7 3 pts Which of the following occur in both B cells and T cells? o isotype switching O somatic recombination o alternative splicing to produce different isoforms of the receptor o alternative splicing to produce a secreted form of the receptor o somatic hypermutation Question 8 3 pts Multiple factors that increase antigen receptor diversity also increase formation of non- productive alleles. Which of the following would generate a non-productive allele? Select...
Question 8 1 pts Which of the following is NOT true about sexual selection? Sexual selection operates only on males because they are the ones that compete and females are the "choosy" ones Wb Which types of sexual signals evolve in a given lineage may depend on pre-existing sensory biases (eg. whether individuals can see in color, or what sounds they like) Sexual signals are often "expensive" (in energy, or risks to safety), which means that usually only healthy individuals...
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