Modified Mastering Microbiology with Pearson eText -- Standalone Access Card -- for Microbiology with Diseases by Taxonomy (5th Edition)
5th Edition
ISBN: 9780134402819
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 7, Problem 22MC
Summary Introduction
Introduction:
RNA is an important
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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
What is the role of transcription in the determination of the amino acid sequence of a polypeptide chain?
A.
It pairs anticodons and codons.
B.
It synthesizes an mRNA strand.
C.
It duplicates the information in DNA.
D.
It decodes the information from mRNA.
Which of the following is not true of a codon?(A) It may code for the same amino acid as another codon.(B) It never codes for more than one amino acid.(C) It extends from one end of a tRNA molecule.(D) It is the basic unit of the genetic code.
Chapter 7 Solutions
Modified Mastering Microbiology with Pearson eText -- Standalone Access Card -- for Microbiology with Diseases by Taxonomy (5th Edition)
Ch. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - Prob. 3MCCh. 7 - Prob. 4MCCh. 7 - Prob. 5MCCh. 7 - Prob. 6MCCh. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - Prob. 9MCCh. 7 - Prob. 10MC
Ch. 7 - Which of the following is not a mechanism of...Ch. 7 - Prob. 12MCCh. 7 - Prob. 13MCCh. 7 - Which of the following are called jumping genes?...Ch. 7 - Prob. 15MCCh. 7 - Prob. 16MCCh. 7 - Prob. 17MCCh. 7 - Prob. 18MCCh. 7 - Prob. 19MCCh. 7 - Prob. 20MCCh. 7 - Prob. 21MCCh. 7 - Prob. 22MCCh. 7 - Prob. 23MCCh. 7 - Prob. 24MCCh. 7 - The trp operon is repressible. This means it is...Ch. 7 - The three steps in RNA transcription are...Ch. 7 - Prob. 2FIBCh. 7 - Prob. 3FIBCh. 7 - Prob. 4FIBCh. 7 - An operon consists of ____________,...Ch. 7 - Prob. 6FIBCh. 7 - A daughter DNA molecule is composed of one...Ch. 7 - Prob. 8FIBCh. 7 - Prob. 9FIBCh. 7 - ____________ is a recombination event that occurs...Ch. 7 - Prob. 11FIBCh. 7 - Prob. 12FIBCh. 7 - Prob. 1SACh. 7 - Prob. 2SACh. 7 - Prob. 3SACh. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Prob. 5SACh. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Prob. 8SACh. 7 - Describe how DNA is packaged in both prokaryotes...Ch. 7 - Prob. 10SACh. 7 - Prob. 11SACh. 7 - Prob. 12SACh. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - Prob. 3VICh. 7 - If molecules of mRNA have the following nucleotide...Ch. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Prob. 3CTCh. 7 - Prob. 4CTCh. 7 - Prob. 5CTCh. 7 - Suppose that the E. coli gene for the lac operon...Ch. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Prob. 9CTCh. 7 - How can knowledge of nucleotide analogs be useful...Ch. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Prob. 12CTCh. 7 - Prob. 13CTCh. 7 - Prob. 14CTCh. 7 - Prob. 15CTCh. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Prob. 17CTCh. 7 - Prob. 1CMCh. 7 - DNA replication requires a large amount of energy,...Ch. 7 - In bacteria, polypeptide translation can begin...Ch. 7 - Prob. 3TMWCh. 7 - Prob. 4TMWCh. 7 - Clinical Case Study Deadly Horizontal Gene...Ch. 7 - Emerging Disease Case Study Vibrio Vulnificus...
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- 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 translationarrow_forwardThe 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 abovearrow_forwardWhat 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 mRNAarrow_forward
- 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 codearrow_forwardWhich enzyme links amino acids together? (a) ribozyme (b) peptidyl transferase (c) DNA polymerase I (d) RNA polymerase II (e) amino-acyl tRNA synthetasearrow_forwardFor what reasons is it important to know the structure of a protein? a) Because then you can fold the protein as you want b) Because it will be easier to predict its function then c) Because then you can clone it better d) Because then you can design medicines betterarrow_forward
- How many nucleotides are in 12 mRNA codons? a. 12 b. 24 c. 36 d. 48arrow_forwardSelect the best answer or answers from the choices given: If DNA has a sequence of AAA, then a segment of mRNA synthesized on it will have a sequence of (a) TTT, (b) UUU, (c) GGG, (d) CCC.arrow_forwardAnticodons pair with_____ . a. mRNA codons c. RNA anticodons b. DNA codons d. amino acidsarrow_forward
- A ribozyme is a. a complex between RNA and a protein. b. an RNA that encodes a protein that functions as an enzyme. c. an RNA molecule with catalytic function. d. a protein that degrades RNA molecules.arrow_forwardWhich of the following is NOT a dissimilarity between RNA and DNA? a) Types of bases b) Double-stranded vs. single-stranded c) Type of sugar d) Formation of Phosphodiester bondsarrow_forwardThe information a cell needs to function is found on the DNA molecule in the form of a. multiple combinations of unknown chemicals. b. RNA subgroups. c. a spiral helix. d. four bases and the order in which they appear.arrow_forward
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