The relationship between a gene and messenger RNA is as follows: O A. all genes are made from mRNAs O B. genes are made from MRNAS O C. MRNAS are made from genes O D. MRNAS are proteins which then code for genes O E. messenger RNA is directly responsible for making Okazaki fragments.

The relationship between a gene and messenger RNA is as follows: O A. all genes are made from mRNAs O B. genes are made from MRNAS O C. MRNAS are made from genes O D. MRNAS are proteins which then code for genes O E. messenger RNA is directly responsible for making Okazaki fragments.

Name: The relationship between a gene and messenger RNA is as follows:O A.
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Description: The relationship between a gene and messenger RNA is as follows:O A. all genes are made from MRNASO B. genes are made from mRNASO C. MRNAS are made from genesO D. MRNAS are proteins which then code for genesO E. messenger RNA is directly responsible

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter9: Molecular Biology

Section: Chapter Questions

Problem 6RQ: A promoter is ______. a. a specific sequence of DNA nucleotides b. a specific sequence of RNA...

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Portions of eukaryotic mRNA sequence that are removed during RNA processing are . a. exons b. caps c. poly-A tails d. introns
_______is/are removed from a new mRNA. a. Introns c. A poly-A tail b. Exons d. Amino acids
A mutation that changes the sequence of nucleotides in a promoter would result in a change in a. The amino acid sequence of the corresponding protein b. The base sequence of the corresponding mRNA c. How frequently the corresponding gene is transcribed d. The fidelity of translation of the corresponding mRNA 1 points
Which of the following is an example of a transcription factor? A) gene B) a repressor C) a ribosome D) an intron
What is the genetic code? a. The relationship between a three-base codon sequence and an amino acid or the end of translation b. The entire base sequence of an mRNA molecule c. The entire sequence from the promoter to the terminator of a gene d. The binding of tRNA to mRNA
A scientist studies the production of a key digestive enzyme in silk moths. The moths have one gene for this enzyme, and the scientist extracts mRNA transcribed from this gene as well as protein translated from it. The gene has three introns in its sequence. If the researcher compares mRNA from inside the nucleus to mRNA from the ribosomes, what will be found? A. less mRNA in the nucleus B. shorter mRNA in the ribosomes C. identical mRNAs in both places D. mRNA covalently attached to protein in the nucleus
Which of the following is the best description of a transcription factor? A. A protein that brings the correct nucleotides to RNA polymerase B. A protein that binds to specific DNA sequences C. A DNA sequence that binds to RNA polymerase D. A modification that is made to mRNA to help it be exported from the nucleus. .
If you imagine a messenger RNA molecule in the cytoplasm of a cell, which of the following will likely affect how much protein is made by translation of this message? A. The presence of appropriate snRNPs. B. The length of the polyA tail. C. The strength of hydrogen bonds holding the mRNA to ribosomal RNA. D. The ability of the mRNA to pair with itself to form a helix-turn-helix structure.
The ribosome is needed for translation of mRNA (a) because it has the enzyme for adding amino acids to the 5’ end of a tRNA (b) because the ribosomal RNA contains the codon which determines the sequence of amino acids in a protein (c) because it positions tRNA and mRNA so that correct pairing of codon and anti-codon can occur (d) because it has an enzyme that removes introns from mRNA (e) all of the above
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 processing
The portion of a gene that will be expressed in a protein is called a(an) a. Exon b. Intron c. promoter d.TATA box
A scientist isolates some mRNA from one gene and compares its sequence to that of the gene from which it was copied. Where will the mRNA be found to end? A. at the promoter B. at an intron C. at the stop codon D. at an enhancer