Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 21, Problem 5SQ
Summary Introduction
Introduction: Ribonucleic acid (RNA) is the genetic material of some viruses and is involved in transcription, translation, gene regulation in prokaryotes, archaea, and eukaryotes. A class of RNA is transfer RNA (tRNA).
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Ribosomal RNA ____________________.
a. Carries amino acids to the ribosome
b. Carries information from the DNA to the ribosome
c. Helps make up the ribosome
d. Carries oxygen to cells
tRNAs contain the ________ that interacts with mRNA.
a.
docking bay
b.
anticodon
c.
codon
8) Which of these describes the function of RNA polymerase?
A. Amplifies the “message" by making multiple copies of an mRNA molecule after it has
been transcribed from DNA
B. Converts a protein sequence to mRNA
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- ________ are encoded by a nucleotide triplet codon. a. Amino acids b. Chromosomes c. RNA strandsarrow_forwardDuring translation, __________________. a. A cell divides to make 2 new cells b. A cell divides to make 4 new cells c. DNA is used as a template to create mRNA d. mRNA, rRNA, and tRNA work together to make proteinsarrow_forwardtRNAs a. carry amino acids b. bind to the anticodon present in the mRNA c. adapt the genetic information to the ribosome d. catalyze the peptide bondarrow_forward
- Complete the phrases with the correct word or words. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a. methionine b. ribosome c. codon d. AUG e. UAC The mRNA moves out of the nucleus and attaches to a The first codon of an mRNA molecule is always As soon as the first codon is in place, a tRNA molecule arrives with the anti-codon The first tRNA to arrive always carries the amino acid called, The ribosome scoots along the mRNA to read the nextarrow_forward______ molecules deliver amino acids to the site of protein synthesis. a. DNA b. mRNA c. rRNA d. tRNAarrow_forwardMatch each statement below with the correct RNA molecule. A. rRNA B. mRNA C. tRNA D. uRNA 1. Contains the codon 2. is read by the ribosome 3. contains the anticodon 4. Transport amino acids to the ribosomearrow_forward
- Certain introns can self-excise from RNA. a. false b. truearrow_forward_______is/are removed from a new mRNA. a. Introns c. A poly-A tail b. Exons d. Amino acidsarrow_forward_________ and _________ of RNA specify amino acid assembly and protein synthesis. a. codons and anti-codons b. mitochondria and lysosomes c. codons and dynein d. microtubules and actinarrow_forward
- If a codon found in the mRNA sequence Tessa CGA, the tRNA anticodon that would bind to that codon region would read... A. CGT b. GCU c. UCG d. GCTarrow_forwardThe main function of an mRNA molecule is to_______ . a. store heritable information b. carry a translatable message c. form peptide bonds between amino acidsarrow_forwardChoose the correct function of tRNA. A. TRNAS are an intermediate stage of RNA processing where introns have been removed but polyadenylation has not occurred yet B. TRNAS are small RNAS that regulate gene expression C. TRNAS bring amino acids to the ribosome for addition to the growing polypeptide chain D. tRNA is a major structural component of the ribosomearrow_forward
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