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DNA
Test Description: What does DNA do? What is DNA made of?
Instructions: Answer all questions to get your test result.
1) What is the shape of DNA?
A
twisted lines
B
triple ladder
C
double helix
D
double felix
2) A string of nucleotides with the instructions for a trait is called a ________________________.
A
governing section
B
ribosome
C
letter pair
D
gene
3) DNA must ________________________ before a cell divides.
A
not copy
B
condense
C
make three copies
D
replicate
4) A nucleotide is made up of what three things?
A
sugar, phosphate, and a nitrogen base
B
nitrogen base and phosphate only
C
sugar, phosphate, and a bass guitar
D
sugar, photosynthesis, and a nitrogen base
5) Forensic scientists can solve crimes using a person's ________________________.
A
key to a mystic portal
B
DNA line of termination
C
genetic hologram
D
DNA fingerprint
6) Changes in a base of DNA are _____________________.
A
mutations
B
nucleotides
C
copies
D
replications
7) DNA is made up of subunits called ______________________________________.
A
nuclei
B
super particles
C
chromosomes
D
nucleotides
8) DNA is wound up into structures called ___________________.
A
DNA fingerprints
B
chromosomes
C
nucleotides
D
genetic particles
9) The amount of cytosine always equals the amount of __________________ in a DNA sequence.
A
adenine
B
thymine
C
cytosine
D
guanine
10) If 60% of a DNA sample is thymine, then there will be 60% _________________.
A
adenine
B
guanine
C
cytosine
D
uracil
*select an answer for all questions
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