AnswersLincoln Biology A-CRUnit Test

Protein Synthesis Answers

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1
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During which process is mRNA converted into a sequence of amino acids for protein production?

A
transcription
B
translation
C
translocation
D
mRNA synthesis
2
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The diagram shows one step in the process of protein synthesis.Which step is shown?

Question illustration
A
transpiration
B
translocation
C
transcription
D
translation
3

Which summary below correctly describes what occurs during transcription?

A
A DNA template is used to create an mRNA strand.
B
An mRNA template is used to create a DNA strand.
C
A DNA template is used to create a ribosome.
D
An mRNA template is used to create a tRNA strand.
4

Which describes a promoter?

A
the first part of an operon that regulates where, when, and to what level a gene is expressed
B
the part of an operon that, if attached by a repressor protein, suppresses the expression of a gene
C
a cluster of genes that are expressed or repressed as a group
D
an enzyme that helps DNA unzip prior to transcription
5

Which describes the function of a peptide bond?'

A
It connects amino acids.
B
It connects ribosomes.
C
It connects tRNA.
D
It connects anticodons.
6

Which occurs during transcription?

A
DNA is copied to create a second DNA strand.
B
mRNA codons and tRNA anticodons assemble amino acids.
C
DNA is unzipped with the aid of DNA polymerase.
D
mRNA is synthesized from a strand of DNA.
7

What is the role of RNA polymerase?

A
It creates the DNA strand.
B
It bonds the DNA strand.
C
It helps transcribe the DNA strand.
D
It translates the DNA strand.
8

Which nucleic acid moves the code for protein synthesis from the nucleus to the ribosomes?

A
dRNA
B
tRNA
C
rRNA
D
mRNA
9

The diagram shows one step in the process of protein synthesis.Which step is shown?

Question illustration
A
transpiration
B
translocation
C
transcription
D
translation
10

Which molecule brings amino acids to the ribosomes to be assembled into proteins?

A
tRNA
B
mRNA
C
peptide
D
codon

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