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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
Franklin’s rules
B
Watson’s rules
C
Crick’s rules
D
Chargaff’s rules
2) A subunit of DNA consisting of a sugar, a phosphate and a base
A
deoxyribose
B
nucleotide
C
sugar
D
phosphate
3) To make copies
A
engineer
B
double helix
C
replicate
D
complementary
4) When is DNA copied?
A
once an hour
B
every time a cell divides
C
every time a cell dies
D
only once
5) What are chromosomes made of?
A
cells and structures
B
protein and DNA
C
inherited characteristics
D
generations
6) What is the name of the material that determines inherited characteristics?
A
deoxyribonucleic acid
B
amino acid
C
RNA
D
ribosome
7) What are genes a part of?
A
protein
B
amino acids
C
molecules
D
chromosomes
8) What did Rosalind Franklin show about DNA molecules?
A
their rules
B
their spiral shape
C
their scientific history
D
their cytosine
9) What did Watson and Crick think DNA looked like?
A
a copy of a protein
B
a mysterious substance
C
a model
D
a long, twisted ladder
10) How is a DNA molecule split as it is copied?
A
top to bottom
B
by the sugars
C
down the middle
D
by a strand
11) Which of the following is NOT part of a nucleotide?
A
sugar
B
phosphate
C
fat
D
base
12) What letters represent the four bases?
A
W, X, Y, Z
B
A, B, C, D
C
E, Y, A, O
D
A, T, G, C
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 set of proteins
B
a pair of sugars
C
a pair of bases
D
a pair of phosphates
*select an answer for all questions
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