Not use ai please QUESTION 23Which group of molecules in a peptide backbone chain makes angles with a carbons?a. C-Ob.S-HCCN-Hcd. C=OQUESTION 24For tautomerism of nucleobases, which of the following bases can form both lactim and iminetautomers under both acidic and basic catalysts?a. Adenineb. Uracilc. Guanined. CytosineQUESTION 25In the nucleotide cleavage by nucleases, on which part of the nucleotide does the snake venomphosphodiesterase act?a. 3' hydroxyl group of the internal nucleotideb. 3' hydroxyl group of the terminal nucleotidec. 5' hydroxyl group of the internal nucleotided. 5' hydroxyl group of the terminal nucleotide7

Detailed explanation: Question 23:Which group of molecules in a peptide backbone chain makes Φ (phi)…

Answered: QUESTION 23 Which group of molecules in…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question 17 What is the nucleotide sequence of the DNA strand that is complementary to 5'-ATCGCAACTGTCACTA-3 A 5'-UAGUGACAGUUGCGAU-3' B 5-TAGCGTTGACAGTGATA-3 5'-ATCACTGTCAACGCTA-3 D 5'-TAGTGACAGTTGCGAT-3'
Question 2. Ribosomes are cellular structures that are composed of protein and RNA; this structure is responsible for catalyzing peptide bond formation between amino acids during a process known as translation. a) Many antibiotics that kill bacteria target translation. Why might this be an effective mechanism to kill bacteria? Why don't antibiotics also kill human (eukaryotic) ribosomes? b) The antibiotic Kasugamycin (KSG) destabilizes the P-site of the ribosome. Describe what parts of translation would be altered in the presence of this antibiotic. c) How does the following graph show the efficacy of translational knockdown with KSG? Met-Methionine C % of Met incorporation 100 80 60 40 20 0 + 0 2 4 6 8 KSG concentration (mg/ml) 10
QUESTION 9 Complementary strands in DNA double are defined by: а. a. jonic interactions H bonds С. C. hydrophobic interactions Od. base stacking
Question 59 FLAG QUESTION Answers A-E When comparing the mode of action of benzopyrene with ethidium bromide, one sees that both have a flat and hydrophobic structure. Both will enter the double helix of DNA and will be retained, at least in part, by the hydrophobic stacking of the bases. But the most important difference is: A Only Ethidium will color the DNA B Benzopyrene forms a covalent bond with DNA C Only Benzopyrene will form tumors D Ethidium makes DNA resist UV light) E There is a specific enzyme that removes Ethidium from DNA ● 0 O *** 0
QUESTION 21 Choose each of the characteristic(s) of all RNA polymerases from the list below. A. elongation adds new ribonucleotides to the 3-OH B. requires a primer to initiate synthesis C. have 3' to 5' exonuclease activity D. adds nucleotides based on sequence complementarity to a template E. have 5' to 3' polymerase activity O F. elongation adds new ribonucleotides to the 2'-OH G. have 3' to 5' polymerase activity
Question 7 A unique 5'CCA terminal sequence is found in all RNAS to be able to carry the correct amino acid to the ribosome. A True B) False
Question 17 What is the nucleotide sequence of the DNA strand that is complementary to 5-АTCGCAACTGTCAСТА-3 A 5-UAGUGACAGUUGCGAU-3' B 5'-TAGCGTTGACAGTGATA-3" с) 5-АТCАСTGTCААCGCTA-3 D 5'-TAGTGACAGTTGCGAT-3'
Question 13 During elongation, TRNA binds initially to the A "P" site on the ribosome. B) any available site on A, or P or E c "A" site on the ribosome. D "E" site on the ribosome.
QUESTION 1 Some point mutations cause a change in amino acid sequence but nonetheless may have little to no effect on protein function. An example(s) of a substitution that often has minimal effect is the following... O A Lysine to Arginine O B. Alanine to Proline OC. valine to Isoleucine O D. Leucine to Valine O E. A, C, or D OF. A, B, C, or D
Question 24 Which of the following is correct regarding nucleotide structure? Removal of the ribose-phosphate groups from cytidine yields A cytosine Removal of the phosphate group from adenylate or adenylic acid yields adenosine. B Removal of the phosphate group from guanylic acid or guanylate yields guanine. Removal of the ribose-phosphate groups from thymidylic acid or D thymidylate yields thymidine
Question 4. Imagine the main chain of a protein bends back on itself so that two amino acid residues R1 and R2 come close to each other. In the table below are four possibilities for what R1 and R2 might be. In each case, decide whether a specific interaction could form between the residues. If a specific interaction could form, give the name of the interaction. R₁ cysteine tyrosine threonine arginine R₂ cysteine phenylalanine glutamine aspartate specific interaction? OO yes O yes O no no OO O yes no yes no name of specific interaction 0 П 0 0
Question 4

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