AnswersBiology AProtein Synthesis

Lesson 3: Protein Synthesis Answers

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1
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Which body system produces proteins that help fight infections?

A
the digestive system
B
the immune system
C
the muscular system
D
the circulatory system
2
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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.
4

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.
6

Albumin is a protein found in blood that helps to regulate amount of fluids in the body. What is the main function of albumin?

A
to provide structure
B
to fight disease
C
to maintain homeostasis
D
to regulate cell reactions
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.
10

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.

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Lesson 3: Protein Synthesis Answers — Biology A