AnswersLHS Biology 1Unit Test

RNA and Protein Synthesis Answers

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1
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What is created between 2 amino acids during translation?

A
DNA polymerase
B
peptide bond
C
hydrogen bond
D
RNA polymerase
2
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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.
3

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.
4

Which provides the master code needed for protein synthesis?

A
DNA
B
RNA
C
mRNA
D
tRNA
5

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
7

What is the function of tRNA?

A
to code for protein synthesis
B
to carry the synthesized genetic information from the nucleus to the ribosomes
C
to synthesize proteins from RNA
D
to bring amino acids to the ribosomes to be assembled into proteins
8

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

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
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.

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