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Biology Quiz 12-3 And 4
Test Description: Protein synthesis
Instructions: Answer all questions to get your test result.
1) During transcription, the hydrogen bonds between base pairs are broken.
A
True
B
False
2) The order of nitrogen bases in DNA determines the order of amino acids in proteins.
A
False
B
True
3) The order of nitrogen bases in DNA determines the order of amino acids in proteins.
A
True
B
False
4) Translation is the conversion of the code in mRNA into a protein.
A
True
B
False
5) A protein is made of a long chain of amino acids.
A
True
B
False
6) Transcription takes place in the nucleus.
A
False
B
True
7) After leaving the nucleus, mRNA travels to the endoplasmic reticulum, where protein synthesis takes place.
A
False
B
True
8) ALL mutations are harmful.
A
False
B
True
9) Mutations can be inherited from parents, or acquired by exposure to heat, chemicals or radiation.
A
False
B
True
10) RNA contains the sugar
A
deoxyribose
B
lactose
C
glucose
D
ribose
11) Unlike DNA, RNA contains
A
uracil
B
cytosine
C
thymine
D
guanine
12) Which type(s) of RNA is(are) involved in protein synthesis?
A
transfer RNA only
B
ribosomal RNA and transfer RNA only
C
messenger RNA, transfer RNA, ribosomal RNA
D
messenger RNA only
13) How many codons are needed to specify three amino acids?
A
6
B
1
C
3
D
9
14) What happens during the process of translation?
A
messenger RNA is made from DNA
B
the cell uses information from messenger RNA to produce proteins
C
transfer RNA is is made from messenger RNA
D
copies of DNA molecules are made
15) Genes contain instructions for assembling
A
amino acids
B
fats
C
carbohydrates
D
proteins
16) Which of the following is NOT a cause of a mutation?
A
extreme heat
B
extreme cold
C
x-rays
D
chemicals
17) If a nucleic acid contains uracil it is DNA
A
False
B
True
18) The anticodon AGA is complimentary to the codon TCT
A
True
B
False
19) Which of the following can be a cause of a DNA mutation?
A
x-rays
B
radiation
C
all of these
D
extreme heat
*select an answer for all questions
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