Nucleic Acids And Protein Synthesis

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Question 1
Free
Multiple Choice

A ________ consists of a nitrogen-containing base and a sugar.

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A

nucleoside

B

base pair

C

nucleotide

D

complementary base

E

pyrimidine

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Question 2
Free
Multiple Choice

A ________ consists of a nitrogen-containing base,a sugar,and a phosphate group.

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A

nucleoside

B

base pair

C

nucleotide

D

complementary base

E

purine

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Question 3
Free
Multiple Choice

Which of the following cannot be found in a nucleotide of RNA?

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A

purine

B

pyrimidine

C

phosphate

D

ribose

E

deoxyribose

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Question 4
Free
Multiple Choice

Which of the following is found in RNA but not in DNA?

Choose correct answer/s
A

thymine

B

uracil

C

guanine

D

cytosine

E

deoxyribose

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Question 5
Free
Multiple Choice

Which of the following will not be found in DNA?

Choose correct answer/s
A

adenine

B

thymine

C

guanine

D

cytosine

E

ribose

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Question 6
Multiple Choice

Which of the following can be found in DNA?

Choose correct answer/s
A
ribose
B
GMP
C
uracil
D
deoxyadenosine
E
FMN
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Question 7
Multiple Choice

The interactions that link the nucleotides in a nucleic acid are

Choose correct answer/s
A
ionic bonds
B
peptide bonds
C
hydrogen bonds
D
hydrophobic bonds
E
phosphodiester bonds
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Question 8
Multiple Choice

The nucleotides in the backbone of DNA are held together by ________ bonds.

Choose correct answer/s
A
hydrogen
B
peptide
C
phosphodiester
D
glycosidic
E
ionic
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Question 9
Multiple Choice

The unique sequence of bases in a nucleic acid is called the ________ structure.

Choose correct answer/s
A
ionic
B
primary
C
secondary
D
tertiary
E
quaternary
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Question 10
Multiple Choice

The base sequence of the strand of DNA complementary to the segment -T G G C A A C- is:

Choose correct answer/s
A
-T G G C A A C-
B
-A C C G T T G-
C
-A C C G U U G-
D
-U C C G T T G-
E
-A C G C T U G-
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Question 11
Multiple Choice

The bonds that link the base pairs in the DNA double helix are ________ .

Choose correct answer/s
A
ionic bonds
B
peptide bonds
C
hydrogen bonds
D
hydrophobic interactions
E
ester bonds
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Question 12
Multiple Choice

The two new DNA molecules formed in replication ________ .

Choose correct answer/s
A
are different from the original DNA
B
both contain only two new daughter DNA strands
C
both contain only the parent DNA strands
D
contain one parent and one daughter strand
E
are identical,with one containing both parent strands,and the other containing both daughter strands
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Question 13
Multiple Choice

What is the process in which the DNA double helix unfolds,and each strand serves as a template for the synthesis of a new strand?

Choose correct answer/s
A
transcription
B
complementation
C
translation
D
replication
E
restriction
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Question 14
Multiple Choice

When DNA replicates,a guanine forms a base pair with ________ .

Choose correct answer/s
A
uracil
B
adenine
C
guanine
D
thymine
E
cytosine
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Question 15
Multiple Choice

The two strands of the double helix of DNA are held together by ________ .

Choose correct answer/s
A
hydrogen bonds
B
covalent bonds
C
dipole-dipole interactions
D
ionic bonds
E
sugar-to-phosphate bonds
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Question 16
Multiple Choice

In the synthesis of mRNA,an adenine in the DNA pairs with ________ .

Choose correct answer/s
A
uracil
B
adenine
C
guanine
D
thymine
E
cytosine
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Question 17
Multiple Choice

Which of the following types of RNA carries the genetic information from DNA in the nucleus to the ribosomes?

Choose correct answer/s
A
mRNA
B
histone RNA
C
rRNA
D
tRNA
E
sRNA
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Question 18
Multiple Choice

The base sequence of the DNA template strand is -T G C A A C-.What is the corresponding mRNA?

Choose correct answer/s
A
-T G C A A C-
B
-A C G U U G-
C
-A C C U U G-
D
-U C G T T G-
E
-U C G T T C-
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Question 19
Multiple Choice

In transcription, ________ .

Choose correct answer/s
A
the mRNA produced is identical to the parent DNA
B
a double helix containing one parent strand and one daughter strand is produced
C
uracil pairs with thymine
D
both strands of the DNA are copied
E
the mRNA produced is complementary to one strand of the DNA
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Question 20
Multiple Choice

Which of the following is a section of mRNA produced from the DNA template below? -A T A G C T A-

Choose correct answer/s
A
-A T A G C T A-
B
-A U A G C U A-
C
-U A U C G A U-
D
-U U U G C U U-
E
-T A T C G A T-
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