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