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A: the 5' cap
| a. | prokaryotes | |
| b. | both prokaryotes and eukaryotes | |
| c. | eukaryotes |
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- The Kozak rules determine a. the choice of the start codon in complex eukaryotes. b. the choice of the start codon in bacteria. c. the site in the mRNA where translation ends. d. how fast the mRNA is translated.Which of the following best describes mRNA?Group of answer choices a) Complexes with ribosomal proteins to form ribosomes b) Transports amino acids to ribosomes during translation c) Provides the instructions for the amino acid sequence of a polypeptide d) Used for eukaryotic RNA processingIn Eukaryotes, DNA is a long molecule inside a tiny nucleus. a. How can this long chain fit in such space? b. How does it affect gene expression?
- Which of the following best describes tRNA? a. Provides the instructions for the amino acid sequence of a polypeptide b. Complexes with ribosomal proteins to form ribosomes c. Used for eukaryotic RNA processing d. Transports amino acids to ribosomes during translationWhich of the following parts of translation is significantly different in eukaryotes and prokaryotes?Question 25 options: A) the presence of a start codon B) the genetic code C) Initial binding of mRNA by ribosomes D) movement of mRNA and tRNA through the 3 sites on the ribosome E) binding of tRNAs to mRNAsWhich of the following is an example of a transcription factor? A) gene B) a repressor C) a ribosome D) an intron
- Once translated into proteins: (a) How many nucleotides are there? (b) How many codons are there? (c) How many amino acids?Imagine that a mutation in a DNA molecule results in the codon CCU being changed to CCC. Both of these codons code for proline. The fact that more than one codon can code for the same amino acid is referred to as ___ a. the ambiguity of the genetic code b. the redundancy of the genetic code c. the randomness of the genetic code d. mutations in the genetic code1. Translation a)Explain the role of ribosomes in the process of protein translation.b. Explain the role of tRNA molecules in protein translation.c. Define the following terms:1. codon 2. anticodon. Explain how a codon is used in the process of translation.
- Which of the following statements is/are TRUE about the difference between prokaryotic and eukaryotic translations? A. The chain elongation step is the most different process. B. Eukaryotes have less elongation factors than in prokaryotes. C. The release factors in prokaryotes can bind to all three stop codons. D. The fMet and Met are the 1st amino acid in prokaryotes and eukaryotes, respectively.Ribon enzymes are: a) catalysts for RNA splicing b)ribosomes which catalyze reactions c) the most common form of enzymes in cells d) unique to eukaryotes e) unique to prokaryotesWhich component is not directly involved in translation?(A) GTP(B) DNA(C) tRNA(D) ribosomes