Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 15, Problem 2TY
Summary Introduction
Introduction: The open reading frame of mRNA helps in the synthesis of protein. The process of protein synthesis is known as translation and it takes place inside the cytoplasm of the cell. There is an involvement of a number of amino acids that forms the chains of polypeptides.
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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
A mutation occurs that alters the third base in an mRNA codon from a C to a G. This mutation is most likely a
A.
frameshift mutation
B.
missense mutation
C.
nonsense mutation
D.
silent mutation
Regulation of gene expression most typically occurs at the level of ______________.
Select one:
a.
transcription
b.
post-transcription
c.
post-translation
Chapter 15 Solutions
Biology
Ch. 15.1 - Consequences of Mutations Concept Check: Based on...Ch. 15.1 - Prob. 2CCCh. 15.2 - Prob. 1EQCh. 15.2 - Prob. 2EQCh. 15.2 - Prob. 3EQCh. 15.2 - Prob. 1CCCh. 15.3 - DNA Repair Concept Check: Which components of the...Ch. 15.3 - Why is this person so sensitive to sunlight?...Ch. 15.4 - Prob. 1CCCh. 15.4 - Prob. 2CS
Ch. 15.4 - Prob. 2CCCh. 15.4 - Prob. 3CCCh. 15.4 - Prob. 4CCCh. 15 - Prob. 1TYCh. 15 - Prob. 2TYCh. 15 - Prob. 3TYCh. 15 - Prob. 4TYCh. 15 - Prob. 5TYCh. 15 - The Ames test a. provides a way to determine if...Ch. 15 - Xeroderma pigmentosum a. is a genetic disorder...Ch. 15 - Prob. 8TYCh. 15 - Prob. 9TYCh. 15 - Prob. 10TYCh. 15 - Prob. 1CQCh. 15 - Prob. 2CQCh. 15 - Prob. 3CQCh. 15 - Prob. 1COQCh. 15 - Distinguish between spontaneous and induced...
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- Which of the following enzymes adds a new amino acid to the growing chain of a protein during protein synthesis? a. aminoacyl-tRNA synthetase b. peptidyl synthetase c. peptidyl transferase d. ribosomal synthetasearrow_forwardChoose the combination of answers that most accurately completes the statement. Which of these features is found in eukaryotes but not bacteria? a. polygene mRNAs c. stop codon b. intronsarrow_forwardWhich of the following mutations is NOT a point mutation? A. Missense mutation B. Insertion mutation C. Nonsense mutation D. Silent mutationarrow_forward
- A mutation caused by a base deamination or a tautomerization is called a a. silent mutation b. transition mutation c. nonsense mutation d. missense mutationarrow_forwardCertain introns can self-excise from RNA. a. false b. truearrow_forwardWhat is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA answer choices A. Tyr-Gly-His B. Met-Pro-Val C. Met-Pro-Ala-Val D. Tyr-Gly-Arg-Hisarrow_forward
- An enzyme known as ___________________ attaches an amino acid to the_________________ of a tRNA, thereby producing_______________ . a. aminoacyl-tRNA synthetase, anticodon, a charged tRNA b. aminoacyl-tRNA synthetase, 3′ single-stranded region of the acceptor stem, a charged tRNA c. polynucleotide phosphorylase, anticodon, a charged tRNA d. polynucleotide phosphorylase, anticodon, an aminoacyl-tRNAarrow_forward________ are encoded by a nucleotide triplet codon. a. Amino acids b. Chromosomes c. RNA strandsarrow_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_forward
- which of these describes the symptoms of the disease(s) caused by mutations in this gene CAGATTGTGAAGAGGTCTCTTGA? Select all that apply a. Thread-like blood vessels in eyes b. Excessive bleeding c. Dwarfism d. UV light sensitivity e. sunburn f. Bruisesarrow_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_forwardWhich of the following results in the same amino acid in its protein sequence? a. missense mutation b. sense mutation c. nonsense mutation d. antisense mutationarrow_forward
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