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