Protein Synthesis Answers

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Which process is part of 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.
3

What is the function of the protein keratin?

A
to provide support and structure for cells in hair, skin, and nails
B
to fight infections caused by bacteria and viruses
C
to increase chemical reaction rates in the digestive system
D
to transmit chemical signals throughout the body
5

What is the function of RNA polymerase in protein synthesis?

A
It brings the tRNA to the ribosome.
B
It bonds the DNA strand.
C
It unzips the DNA strand.
D
It translates the DNA strand.
6

Geoffrey made a mistake in listing the main steps of translation in order as elongation, initiation, and termination. Which statement describes his error?

A
Initiation occurs before elongation.
B
Termination is not one of the steps.
C
Termination occurs before elongation.
D
Elongation is not one of the steps.
7

Which statement best summarizes what happens 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.
8

Where are proteins made in the cell?

A
nucleus
B
ribosomes
C
cytoplasm
D
cell membrane
9

Which statements describe functions of antibodies? Select two options. They maintain the cell’s shape.They regulate cell processes.They protect the body from infectious agents.They signal the immune system to destroy pathogens.They speed up biochemical reactions.They send electrical signals.

A
They maintain the cell’s shape.
B
They regulate cell processes.
C
They protect the body from infectious agents.
D
They signal the immune system to destroy pathogens.
E
They speed up biochemical reactions.
F
They send electrical signals.

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Protein Synthesis Answers — Biology_A_IC