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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________ are encoded by a nucleotide triplet codon.
a.
Amino acids
b.
Chromosomes
c.
RNA strands
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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- During 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_forward______ molecules deliver amino acids to the site of protein synthesis. a. DNA b. mRNA c. rRNA d. tRNAarrow_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
- Certain introns can self-excise from RNA. a. false b. truearrow_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_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
- _______is/are removed from a new mRNA. a. Introns c. A poly-A tail b. Exons d. Amino acidsarrow_forwardIf 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_forwardIn RNA, ___________ pairs with adenine. A.Group of answer choices cytosine guanine thymine uracil B.The main differences between introns and exon is Group of answer choices Exons code for amino acids and Introns do not Introns code for RNA and exons code for DNA Introns code for amino acids and exons do not Introns enter the nucleus and exons leave the nucleusarrow_forward
- Prokaryotic transcripts are _____________ since several proteins can be produced from one mRNA. a. polycistronic b. monocistronic c. tricistronic d. bicistronicarrow_forward______is a function of the large ribosomal subunit A.endonucleasE B.tRNA transferase C. phosphorylase D.Transcription initiation E. peptidyl transferasearrow_forwardDefine the following terms: a. rRNA b. tRNA c. mRNA d. siRNA e. miRNAarrow_forward
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