Biology Quiz 12-3 And 4 Question Preview (ID: 34052)


Protein Synthesis. TEACHERS: click here for quick copy question ID numbers.

During transcription, the hydrogen bonds between base pairs are broken.
a) True
b) False
c)
d)

The order of nitrogen bases in DNA determines the order of amino acids in proteins.
a) True
b) False
c)
d)

The order of nitrogen bases in DNA determines the order of amino acids in proteins.
a) True
b) False
c)
d)

Translation is the conversion of the code in mRNA into a protein.
a) True
b) False
c)
d)

A protein is made of a long chain of amino acids.
a) True
b) False
c)
d)

Transcription takes place in the nucleus.
a) True
b) False
c)
d)

After leaving the nucleus, mRNA travels to the endoplasmic reticulum, where protein synthesis takes place.
a) True
b) False
c)
d)

ALL mutations are harmful.
a) True
b) False
c)
d)

Mutations can be inherited from parents, or acquired by exposure to heat, chemicals or radiation.
a) True
b) False
c)
d)

RNA contains the sugar
a) ribose
b) deoxyribose
c) glucose
d) lactose

Unlike DNA, RNA contains
a) thymine
b) uracil
c) guanine
d) cytosine

Which type(s) of RNA is(are) involved in protein synthesis?
a) transfer RNA only
b) messenger RNA only
c) messenger RNA, transfer RNA, ribosomal RNA
d) ribosomal RNA and transfer RNA only

How many codons are needed to specify three amino acids?
a) 1
b) 3
c) 6
d) 9

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

Genes contain instructions for assembling
a) proteins
b) amino acids
c) fats
d) carbohydrates

Which of the following is NOT a cause of a mutation?
a) extreme heat
b) x-rays
c) extreme cold
d) chemicals

If a nucleic acid contains uracil it is DNA
a) True
b) False
c)
d)

The anticodon AGA is complimentary to the codon TCT
a) True
b) False
c)
d)

Which of the following can be a cause of a DNA mutation?
a) x-rays
b) radiation
c) extreme heat
d) all of these

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