Question

24. Consider a protein made up of 150 amino acid residues. How many GTP molecules will be required if, on average, 2 GTPs are consumed per peptide bond formed (one for elongation positioning and another for translocation)? A) 150 total B) 149 total C) 300 plus 1 for initiation and 1 for termination = 302 D) 298 plus 1 for initiation and 1 for termination = 300 E) Can I use a calculator? 25. Which of the following statements is incorrect? A) Translation in eukaryotes uses only mRNA in which introns have been spliced out. B) With a few known exceptions, both eukaryotes and prokaryotes use fundamentally the same genetic code. C) In most prokaryotic genes no introns are found and generally speaking no RNA splicing occurs. D) In both prokaryotes and eukaryotes, protein synthesis occurs by a nucleophilic attack by the alpha-amino group of the A-site aminoacyl tRNA on the carbonyl of the growing peptide chain. E) None of the above 26. Which of the following types of protein are known to be translated using a CUG start codon? A) Immune system peptides displayed on the major histocompatibility complex (MHC) B) Proteins in the cytoskeleton C) Transcription factors D) Antibodies E) Enzymes

          24. Consider a protein made up of 150 amino acid residues. How many GTP molecules will be required if, on
average, 2 GTPs are consumed per peptide bond formed (one for elongation positioning and another for
translocation)?
A) 150 total
B) 149 total
C) 300 plus 1 for initiation and 1 for termination = 302
D) 298 plus 1 for initiation and 1 for termination = 300
E) Can I use a calculator?
25. Which of the following statements is incorrect?
A) Translation in eukaryotes uses only mRNA in which introns have been spliced out.
B) With a few known exceptions, both eukaryotes and prokaryotes use fundamentally the same genetic code.
C) In most prokaryotic genes no introns are found and generally speaking no RNA splicing occurs.
D) In both prokaryotes and eukaryotes, protein synthesis occurs by a nucleophilic attack by the alpha-amino group
of the A-site aminoacyl tRNA on the carbonyl of the growing peptide chain.
E) None of the above
26. Which of the following types of protein are known to be translated using a CUG start codon?
A) Immune system peptides displayed on the major histocompatibility complex (MHC)
B) Proteins in the cytoskeleton
C) Transcription factors
D) Antibodies
E) Enzymes

24. Consider a protein made up of 150 amino acid residues. How many GTP molecules will be required if, on
average, 2 GTPs are consumed per peptide bond formed (one for elongation positioning and another for
translocation)?
A) 150 total
B) 149 total
C) 300 plus 1 for initiation and 1 for termination = 302
D) 298 plus 1 for initiation and 1 for termination = 300
E) Can I use a calculator?
25. Which of the following statements is incorrect?
A) Translation in eukaryotes uses only mRNA in which introns have been spliced out.
B) With a few known exceptions, both eukaryotes and prokaryotes use fundamentally the same genetic code.
C) In most prokaryotic genes no introns are found and generally speaking no RNA splicing occurs.
D) In both prokaryotes and eukaryotes, protein synthesis occurs by a nucleophilic attack by the alpha-amino group
of the A-site aminoacyl tRNA on the carbonyl of the growing peptide chain.
E) None of the above
26. Which of the following types of protein are known to be translated using a CUG start codon?
A) Immune system peptides displayed on the major histocompatibility complex (MHC)
B) Proteins in the cytoskeleton
C) Transcription factors
D) Antibodies
E) Enzymes

Added by Agust-N D.

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