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DNA Review
Test Description: DNA Review Questions
Instructions: Answer all questions to get your test result.
1) Who found the shape of DNA?
A
Hooke and Van Leeuwenhoek
B
Watson and Crick
C
Crick and Hooke
D
Watson and Hooke
2) What is the shape of DNA called?
A
double helix
B
rubix cube
C
nucleotide
D
nitrogen bases
3) What are the sides of the DNA molecule made of?
A
sugar and phosphate
B
phosphate and hydrogen
C
hydrogen and nitrogen
D
sugar and adenine
4) If you unravel DNA, how long will it be?
A
6 feet long
B
3 feet long
C
6 inches long
D
23 inches long
5) What is directly attached to the nitrogen bases on the sides of a DNA strand?
A
ethanol
B
adenine
C
phosphate
D
sugar
6) What are chromosomes made of?
A
DNA
B
cells
C
organs
D
ribosomes
7) When DNA makes an exact copy of itself, what is it called?
A
replication
B
proteins
C
cell division
D
reproduction
8) Which is the correct order of DNA replication?
A
nitrogen bases pair up, DNA unzips, new cell is formed with the exact DNA
B
DNA unzips, new cell is formed with the exact DNA, nitrogen bases pair up
C
nitrogen bases pair up, new cell is formed with the exact DNA, DNA unzips
D
DNA unzips, nitrogen bases pair up, new cell is formed with the exact DNA
9) What can a mutation in DNA replication cause?
A
meiosis
B
cancer
C
mitosis
D
metamorphosis
10) What connects the nitrogen bases together?
A
nitrogen bond
B
hydrogen bond
C
nitrogen base
D
hydrogen base
*select an answer for all questions
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