Chapter 5 Cell and Molec
Study online at https://quizlet.com/_jmvr3b
1. Mitotic chromosomes were first visualized with the use B
of very simple tools: a basic light microscope and some
dyes. Which of the following characteristics of mitotic
chromosomes reflects how they were named?
a. Motion
b. color
c. shape
d. location
2. What makes up the backbone of DNA? C
a. sugar-base
b. phosphate-phosphate
c. sugar-phosphate
d. phosphate-base
3. In a DNA double helix, D
a.the two DNA strands are identical.
b. purines pair with purines.
c. thymine pairs with cytosine.
d. the two DNA strands run antiparallel
4. Which of the following chemical groups is NOT used to D
construct a DNA molecule?
a. phosphate
b. five-carbon sugar
c. nitrogen-containing base
d. six-carbon sugar
5. Which of the following structural characteristics is NOT C
normally observed in a DNA duplex?
a. purine-pyrimidine pairs
b. external sugar-phosphate backbone
, Chapter 5 Cell and Molec
Study online at https://quizlet.com/_jmvr3b
c. uniform left-handed twist
d. antiparallel strands
6. Which of the following DNA strands can form a DNA D
duplex by pairing with itself at each position?
a. 5´-AAGCCGAA-3´
b. 5´-AAGCCGTT-3´
c. 5´-AAGCGCAA-3´
d. 5´-AAGCGCTT-3´
7. A __________ bond holds the nucleotide subunits in a B
single DNA strand, while a __________ bond holds the
two DNA strands together.
a. hydrogen; phosphoryl
b. phosphodiester; hydrogen
c. hydrogen; hydrogen
d. phosphodiester; phosphoryl
8. What functional group is found at the 5' end of a DNA D
strand?
a. hydroxyl
b. hydronium
c. phosphoryl
d. phosphate
9. The DNA from two different species can often be dis- A
tinguished by a difference in the
a. ratio of A + T to G + C.
b. ratio of A + G to C + T.
c. ratio of sugar to phosphate.
d. presence of bases other than A, G, C, and T.
10. C
Study online at https://quizlet.com/_jmvr3b
1. Mitotic chromosomes were first visualized with the use B
of very simple tools: a basic light microscope and some
dyes. Which of the following characteristics of mitotic
chromosomes reflects how they were named?
a. Motion
b. color
c. shape
d. location
2. What makes up the backbone of DNA? C
a. sugar-base
b. phosphate-phosphate
c. sugar-phosphate
d. phosphate-base
3. In a DNA double helix, D
a.the two DNA strands are identical.
b. purines pair with purines.
c. thymine pairs with cytosine.
d. the two DNA strands run antiparallel
4. Which of the following chemical groups is NOT used to D
construct a DNA molecule?
a. phosphate
b. five-carbon sugar
c. nitrogen-containing base
d. six-carbon sugar
5. Which of the following structural characteristics is NOT C
normally observed in a DNA duplex?
a. purine-pyrimidine pairs
b. external sugar-phosphate backbone
, Chapter 5 Cell and Molec
Study online at https://quizlet.com/_jmvr3b
c. uniform left-handed twist
d. antiparallel strands
6. Which of the following DNA strands can form a DNA D
duplex by pairing with itself at each position?
a. 5´-AAGCCGAA-3´
b. 5´-AAGCCGTT-3´
c. 5´-AAGCGCAA-3´
d. 5´-AAGCGCTT-3´
7. A __________ bond holds the nucleotide subunits in a B
single DNA strand, while a __________ bond holds the
two DNA strands together.
a. hydrogen; phosphoryl
b. phosphodiester; hydrogen
c. hydrogen; hydrogen
d. phosphodiester; phosphoryl
8. What functional group is found at the 5' end of a DNA D
strand?
a. hydroxyl
b. hydronium
c. phosphoryl
d. phosphate
9. The DNA from two different species can often be dis- A
tinguished by a difference in the
a. ratio of A + T to G + C.
b. ratio of A + G to C + T.
c. ratio of sugar to phosphate.
d. presence of bases other than A, G, C, and T.
10. C
