AnswersHSBIO Biology Sem 1 26-27Protein Synthesis

Protein Synthesis Answers

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21
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Where are proteins made in the cell?

A
nucleus
B
ribosomes
C
cytoplasm
D
cell membrane
22
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A single strand of DNA helix has the code ATAGGC. Which would be the complementary code on the other strand of the helix?

A
AUACCG
B
CGCTTA
C
GCGAAT
D
TATCCG
23

Which base is found only in RNA?

A
ribose
B
thymine
C
uracil
D
deoxyribose
24

Which structural component is found in DNA but not in RNA?

A
ribose
B
deoxyribose
C
phosphate group
D
nitrogenous base
25

What did Chargaff discover while studying bases in the DNA of organisms?

A
The bases in the DNA of each organism were unique.
B
The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.
C
The overall percentages of bases were different from one organism to the next.
D
There were equal amounts of all four bases in every organism, or 25 percent of each base.
26

Which structural characteristic is seen in RNA but not in DNA?

A
double strands
B
a single strand
C
chains of nucleotides
D
a helical shape
27

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.
28

What is created between 2 amino acids during translation?

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

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