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20. Initiation and elongation in translation requires A ATP B.TTP C. GTP D. CTP

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter9: From Dna To Protein

Section: Chapter Questions

Problem 14SA: Energy that drives translation is provided mainly by ______ . a. ATP c. GTP b. amino acids d....

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Genomics

Genes are responsible for transmitting the characters located on the chromosomes from one individual to another across the generations. Genetics is the study of different genes that are involved in different functions. Genetics is a branch of biology that studies genes, genetic diversity, and heredity in living organisms. The genetic system consists of genetic notations, which is a system of signs and symbols. Genotype refers to the organism's genetic composition, and phenotype refers to the observable property of the organism.

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20. Initiation and elongation in translation requires

A ATP

B.TTP

C. GTP

D. CTP

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A scientist introduces a mutation that makes the 60S ribosomal subunit nonfunctional in a human cell line. What would be the predicted effect on translation? Translation stalls after the initiation AUG codon is identified The ribosome cannot catalyze the formation of peptide bonds between the tRNAs in the A and P sites The ribosome cannot interact with mRNAs tRNAs cannot exit the E site of the ribosome.
7. A segment of a DNA strand consists of ...GCTTAGACCTGA.... (a) Identify the expected nucleotide order in the complementary mRNA (b) Identify the sequence of amino acids coded for by this segment of DNA. (c) Describe the bond that forms during translation to link amino acids together. Identify the functional groups that react and the atoms involved.
Energy that drives translation is provided mainly by______ . a. ATP c. GTP b. amino acids d. all of the above
9. Translation is the flow of information from: a) DNAàDNA b) DNAà mRNA c) mRNAà polypeptide d) polypeptideà amino acids
1. One strand of DNA has the base sequence: C G A T T G G C A G T C A T. Determine the sequence of bases in the complementary strand of mRNA that would form next to this DNA strand. a. Write the sequence of bases in the complementary mRNA strand below.___________________________________________________________________________
1. Translation a)Explain the role of ribosomes in the process of protein translation.b. Explain the role of tRNA molecules in protein translation.c. Define the following terms:1. codon 2. anticodon. Explain how a codon is used in the process of translation.
Translation can be regulated by a. translational repressors. b. antisense RNA. c. attenuation. d. both a and b.
The role of transfer RNA (tRNA) is to match a codon (3 bases) in mRNA sequence to: A. An amino acid B. A peptide bond C. An R group D. A start codon
A mRNA strand is 5’ to 3 across the translation initiation complex. The start codon is ____ And found at the ____ site. A) AUG; A B) GUA; P C) AUG; P D) GUA; A
50. Which of the following carries amino acids? A. t RNA (anticodon) B. c DNA (complementary DNA) C. mRNA (codon) D. rRNA (ribosomal)
What happens immediately after the initiation complex forms during translation? (a) peptide bond formation (b) the DNA associated with the promoter unwinds (c) the small and large subunits of the ribosome come together (d) primers are formed (e) phosphodiester bond formation
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