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TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION || CHAPTERS 17||FULL COMPLETE||LATEST
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ESTUDYTEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION
|| CHAPTERS 17||FULL COMPLETE||LATEST
1) A particular sequence of bases in the DNA template strand is 5' AGT 3'. What is the corresponding
mRNA codon?
a. 5' AGT 3'
b. 3' UCA 5'
c. 3' TCA 5'
d. 5' UCA 3'
**Answer**: b. 3' UCA 5'
2) The genetic code is the same for all organisms. What can be concluded from this?
a. A gene from one organism can be expressed in any other organism.
b. DNA is the same in all organisms.
c. All organisms have the same number of genes.
d. Genes are passed between organisms.
**Answer**: a. A gene from one organism can be expressed in any other organism.
3) How many genes are needed for the metabolic pathway shown in the figure?
a. 1
b. 2
c. 3
d. 4
**Answer**: b. 2
4) Which of the following is directly connected to a single amino acid?
, ESTUDY
a. DNA sequence
b. tRNA molecule
c. mRNA three-base sequence (codon)
d. Ribosome
**Answer**: c. mRNA three-base sequence (codon)
5) During transcription:
a. DNA is copied to RNA.
b. RNA is synthesized.
c. Protein is synthesized.
d. RNA polymerase is deactivated.
**Answer**: b. RNA is synthesized.
6) Codons are part of the structure of:
a. DNA
b. mRNA
c. tRNA
d. Ribosomes
**Answer**: b. mRNA
7) What does it mean when we say the genetic code is redundant?
a. Several different amino acids can be coded by one codon.
b. Each amino acid can be coded by more than one codon.
c. Codons can be reused in different organisms.
d. The genetic code does not change between organisms.
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