AnswersHSBIO Biology Sem 1 26-27Protein Synthesis

Protein Synthesis Answers

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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.
2
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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
3

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

t
to provide structure
t
to fight disease
t
to maintain homeostasis
t
to regulate cell reactions
4

What is created between 2 amino acids during translation?

A
DNA polymerase
B
peptide bond
C
hydrogen bond
D
RNA polymerase
5

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

Answer:

transcription

6

What is the function of tRNA?

t
to code for protein synthesis
t
to carry the synthesized genetic information from the nucleus to the ribosomes
t
to synthesize proteins from RNA
t
to bring amino acids to the ribosomes to be assembled into proteins
7

What is the function of the protein keratin?

t
to provide support and structure for cells in hair, skin, and nails
t
to fight infections caused by bacteria and viruses
t
to increase chemical reaction rates in the digestive system
t
to transmit chemical signals throughout the body
8

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

A
transcription
B
translation
C
DNA replication
D
mRNA synthesis
9

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.
10

Which statements describe functions of antibodies? Select two options.

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.
11

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.
12

Which statement describes the relationship between transcription and translation?

A
The proteins made during transcription are used to make RNA during translation.
B
The proteins made during transcription are used to make DNA during translation.
C
The RNA made during transcription is used to make proteins during translation.
D
The DNA made during transcription is used to make proteins during translation.
13

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.
14

Where are proteins made in the cell?

A
nucleus
B
ribosomes
C
cytoplasm
D
cell membrane
15

Which provides the master code needed for protein synthesis?

A
DNA
B
RNA
C
mRNA
D
tRNA
16

Lipase is a protein that helps the body break down fats in foods. Lipase is best classified as which type of protein?

A
an enzyme
B
an antibody
C
a structural protein
D
a binding protein

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