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Chapter 11: DNA and Protein Synthesis

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Which one of the following nucleotide pair bonds would be found in a DNA molecule?
a.
adenine-guanine
c.
adenine-cytosine
b.
guanine-cytosine
d.
cytosine-uracil
 

 2. 

The backbone of a DNA molecule is made of which two components?
a.
phosphate molecules and ribose sugars
b.
deoxyphosphate molecules and ribose sugars
c.
phosphate molecules and deoxyribose sugars
d.
deoxyphosphate molecules and deoxyribose sugars
 

 3. 

Ribosomes are made of _____.
a.
rRNA and protein
c.
rRNA and mRNA
b.
tRNA and mRNA
d.
protein and tRNA
 

 4. 

Watson and Crick were the first to suggest that DNA is _____.
a.
a short molecule
c.
a protein molecule
b.
the shape of a double helix
d.
the genetic material
 

 5. 

The pairing of _____ in DNA is the key feature that allows DNA to be copied.
a.
nucleotides
c.
chromosomes
b.
nitrogen bases
d.
codons
 

 6. 

The process by which a DNA molecule is copied is called _____.
a.
binary fission
c.
replication
b.
mitosis
d.
translation
 

 7. 

A DNA nucleotide may be made up of a phosphate group, along with _____.
a.
deoxyribose sugar and uracil
c.
deoxyribose sugar and thymine
b.
ribose sugar and adenine
d.
ribose sugar and cytosine
 

 8. 

Which series is arranged in order from largest to smallest in size?
a.
chromosome, nucleus, cell, DNA, nucleotide
b.
cell, nucleus, chromosome, DNA, nucleotide
c.
nucleotide, chromosome, cell, DNA, nucleus
d.
cell, nucleotide, nucleus, DNA, chromosome
 

 9. 

Messenger RNA is formed in the process of _____.
a.
transcription
c.
replication
b.
translation
d.
mutation
 

 10. 

An RNA molecule is a polymer composed of subunits known as _____.
a.
polysaccharides
c.
nucleotides
b.
ribose molecules
d.
uracil molecules
 
 
chapter_11_files/i0120000.jpg
Figure 11-1
 

 11. 

In which part of the cell does this process shown in Figure 11-1 take place?
a.
in the nucleus
c.
at the ribosomes
b.
in food vacuoles
d.
on the chromosome
 

 12. 

Which of the structures in Figure 11-1 are composed of RNA?
a.
II and IV
c.
I and V
b.
III and IV
d.
III and V
 

 13. 

Structure III in Figure 11-1 represents a(n) _____.
a.
gene
c.
codon
b.
amino acid
d.
DNA molecule
 

 14. 

The process illustrated in Figure 11-1 is called _____.
a.
translation
c.
monoploidy
b.
replication
d.
transcription
 



 
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