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Chapter 6.1 Review (8th)
Test Description: What Does DNA Look Like?
Instructions: Answer all questions to get your test result.
1) A finding that stated the amount of adenine in DNA always equals the amount of thymine. It also stated the amount of guanine always equals the amount of cytosine
A
Watson’s rules
B
Chargaff’s rules
C
Franklin’s rules
D
Crick’s rules
2) A subunit of DNA consisting of a sugar, a phosphate and a base
A
deoxyribose
B
sugar
C
nucleotide
D
phosphate
3) To make copies
A
double helix
B
engineer
C
complementary
D
replicate
4) When is DNA copied?
A
every time a cell divides
B
every time a cell dies
C
once an hour
D
only once
5) What are chromosomes made of?
A
cells and structures
B
inherited characteristics
C
generations
D
protein and DNA
6) What is the name of the material that determines inherited characteristics?
A
ribosome
B
amino acid
C
deoxyribonucleic acid
D
RNA
7) What are genes a part of?
A
molecules
B
protein
C
amino acids
D
chromosomes
8) What did Rosalind Franklin show about DNA molecules?
A
their cytosine
B
their scientific history
C
their spiral shape
D
their rules
9) What did Watson and Crick think DNA looked like?
A
a mysterious substance
B
a long, twisted ladder
C
a model
D
a copy of a protein
10) How is a DNA molecule split as it is copied?
A
down the middle
B
top to bottom
C
by a strand
D
by the sugars
11) Which of the following is NOT part of a nucleotide?
A
fat
B
base
C
phosphate
D
sugar
12) What letters represent the four bases?
A
W, X, Y, Z
B
A, T, G, C
C
A, B, C, D
D
E, Y, A, O
13) The sides of the DNA “ladder” are made of
A
helixes and twists
B
adenine and cytosine
C
sugar and phosphate
D
guanine and thymine
14) The “rungs” of the DNA ladder are
A
a pair of phosphates
B
a set of proteins
C
a pair of sugars
D
a pair of bases
*select an answer for all questions
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