**Question 24**The "energy carrier" ATP is an example of a(n):- ○ deoxyribonucleoside triphosphate.- ○ dinucleotide.- ○ peptide.- ○ ribonucleotide.- ○ ribonucleoside triphosphate.

ATP (adenosine triphosphate) is involved in energy mechanism and signal transduction.

Answered: QUESTION 24 The "energy carrier" ATP is…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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QUESTION 26 Which of these reagents is commonly used to determine the number of polypeptides in a protein? dansyl chloride 2-mercaptoethanol (B-ME) DEAE cyanogen bromide iodoacetate O O O O
Question 12 Which of the following best explains the relatively more complex folded structure that an RNA molecule assumes? A B с D RNA molecules do not contain a pentose sugar in their backbone, which allows them to be more structurally flexible. RNA molecules contain the nitrogenous base uracil, which can pair with several other ni- trogenous bases in the RNA molecule. RNA molecules contain negatively charged phosphate groups in their backbone, which allows the molecule to bend into complex shapes. RNA molecules are made of only four types of nucleotides, which allows their nitroge- nous base to pair more readily.
Question 12 The disulfide bridges: A Are generated by an intra- or inter- molecular oxidation reaction B Can be selectively reduced by SDS (Sodium Dodecyl Sulfate) C Are bonds that possess an intermediate in- teraction energy comprised between that hydrogen bonds and that of ionic bonds D Participate in the stabilization of sec- ondary structures E Are established between the side chains of amino acids methionine
Question 26 Which of the following best describes the assembly process to initiate translation in prokaryotes? A small ribosome subunit associates with large subunit; mRNA associates next; IFs bring in first f-Met-tRNA; bound NTP hydrolyzed. B IF w/ bound NTP binds f-Met-tRNA; mRNA associates next; small subunit associates next; bound NTP hydrolyzed; large subunit associates. CIF binds f-Met-tRNA; small ribosome subunit associates next; mRNA associates next; then large subunit; bound NTP hydrolyzed. D small subunit associates with mRNA; IF w/ bound NTP brings in first f-Met-tRNA; IF then hydrolyses bound NTP; large subunit associates
Question 17 The genetic code in unambigous that means many codons can code for the same amino acids. A True B) False
What molecule pushes ADP and phosphate together to build most of the ATP created during aerobic respiration? O Spinning ATP synthase channels in the inner mitochondrial membrane O Oxygen gas in the mitochondrial matrix O Electron Transport proteins in the cell cytosol O NADH
Question 25 As in RNA and DNA synthesis, the synthesis of proteins follows the following steps, EXCEPT (A) termination (B) hydrolysis of the final bond linking monomers C) activation of monomers D) initiation E) elongation
Question 40 Protein synthesis in bacterial cells usually starts with a: (A) methionine residue. B) formylmethionine residue. C) alanine residue. (D) phenylalanine residue.
QUESTION 10 Folding is: formation of the primary structure of the protein phosphorylation of serine residues in the peptide chain formation of a supramolecular structure formation of protein tertiary structure
Question 7 About the helical structure of DNA: |A The DNA is always in the form of a type A closed helix (left rotation), whatever its composition in nucleotides. B DNA is rich in positive electrical charges at physiological (pH 7.4). C The helix is established between two com- plementary regions of the same strand. D The helix is formed by an esterification re- action between two strands. E All the above statements are wrong
QUESTION 5 Many bioactive compounds are derived from amino acids. This compound, illegal in most countries, is used as a hallucinogen used both for ritualistic purposes in some cultures and as a recreational drug. It is derived from an amino acid through removal of the backbone carboxylic acid group and dimethylation of the amino group. The amino acid from which it is derived must be: (Write out the entire name; Spelling matters, but case does not; Do not include L- or D- in the name; For acidic amino acids write the full name, e.g. "so-and-so acid") N ZI
Question 7 Table 1 Molecule 1 Molecule 2 Molecule 3 Molecule 4 Macromolecule polysaccharide D Monomer monosaccharide. B Does not follow typical monomer/polymer rule C=energy storage: and D= protein C = cell structure; and D= polysaccharide C = energy storage and membrane formation; and D = DNA, RNA C= catalyze reactions; and D= nucleotide None of the above. Function membrane. transporter C Information storage Hydro-philic/p hobic (Table 1) What are C and D in the table above? Select only ONE answer choice. A Hydrophobic or amphipathic

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QUESTION 24 The "energy carrier" ATP is an example of a(n): deoxyribonucleoside triphosphate. O dinucleotide. peptide. O ribonucleotide. ribonucleoside triphosphate.