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