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Question 20 The first nucleotide used in RNA formed in pyrimidine synthesis is which of the...
The rate-limiting enzyme of the pyrimidine nucleotide synthesis pathway is controlled by many different allosteric regulator molecules. Which is involved in this regulation? Select one: a. UTP b. ATP c. CTP d. All of these e. None of these
Question 21 Besides ATP, which other nucleotide is part of energy storage in cells? ATP UTP TTP CTP O GTP Question 22
s141) Which nucleotide is used for energy to drive protein synthesis? A) TTP B) CTP C) UTP D) GTP 2) Ribosomal RNA: A) Can bind to prokaryotic mRNA B) Plays no role in peptidyl transferase activity C) In eukaryotes, attaches to mRNA before transcription is completed D) All of the above 3) Spliceosomes: A) Are 40-60S, about the size of ribosomal subutnit B) Are necesssary for DNA replication C) Bind to RNA Polymerase D) Are composed entirely of proteins E)...
Which amino acid is not used for the synthesis of purine or pyrimidine bases? Select one: a. glycine b. glutamine c. aspartate d. asparagine
Which of the following is NOT a difference between DNA and RNA synthesis? a. the nature of the nucleotide used b. the direction of synthesis c. the presence of discrete termination signals d. the simultaneous coding from both strands of DNA. During transcription, separation of the DNA strands is necessary. This involves: a. During transcription, separation of the DNA strands is necessary. This involves: b. separation of long segments of the DNA corresponding to genes. c. separation in only a...
Question 19 (1 point) Which of the following steps is not associated with protein synthesis? a) Initiation b) Transcription c) Replication d) Translation Question 20 (1 point) A nucleic acid is a) DNA or RNA. b) a base pair. c) a nucleotide.
Protein synthesis is a complicated process involving DNA being transcribed to RNA, which is then translated into amino acids. Complete the DNA-to-amino acid table for three consecutive codons with the appropriate nucleotides and amino acids using a codon table. Nucleotide and amino add options can be used multiple times or not at all.
Assume you found life in Mars. If the Martian genetic code used the nucleotide "A" as a spacer, and then the nucleotides T, C and G in triplers, how many different codons would be available? a) 3 b) 4 c) 8 d) 9 e) 12 f) 20 g) 27 h) 30 i) 64 would be purine rich (AG rich) d) Actually, it would be pyrimidine rich (TC rich) __17. Rosalind Franklin received the Nobel Prize for: a generating X-ray crystallographic...
Question 23 Ribozymes are Cofactors Enzymes. ribosomes which catalyze reactions. protein which catalyze reactions. RNA which catalyze RNA splicing. Question 30 is produced. During the synthesis of acetyl -CoA from pyruvic acid, ATP FADH2 H0 NADH acetic acid
Help! I do not understand how to answer this biochemistry question! Which of the following binding modes does a Walker A, P-loop ATP/GTP binding motif (AXXXXGKT) use to interact with ATP? A. phosphoryl transfer B. nucleotide transfer C. pyrophosphoryl transfer D. adenosyl transfer