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DNA
Test Description: DNA Structure and Function
Instructions: Answer all questions to get your test result.
1) Which Nitrogen Base binds with Adenine?
A
guanine
B
alanine
C
thymine
D
cytosine
2) What holds the nitrogen bases together?
A
deoxyribose
B
glue
C
phosphate group
D
hydrogen bonds
3) How many hydrogen bonds bind Adenine and Thymine; Cytosine and Guanine
A
1 ; 3
B
2 ; 3
C
3 ; 2
D
3 ; 1
4) What makes up the sides of the DNA ladder?
A
hydrogen bonds and nitrogen bases
B
nitrogen bases
C
deoxribose and phosphate groups
D
deoxyribose and hydrogen bonds
5) How many base pairs long is human DNA?
A
300
B
300,000
C
3,300,000,000
D
3,000
6) Where is DNA located?
A
endoplasmic reticulum
B
vacuole
C
centrioles
D
nucleus
7) What does DNA code for the production of?
A
lipids
B
sugars
C
nitrogen bases
D
proteins
8) What is a segment of DNA that controls a particular trait?
A
double helix
B
chromosome
C
DNA
D
gene
9) What is the twisted ladder shape of DNA called?
A
helical
B
Double Helix
C
twisted
D
ladder
10) Who discovered the shape of DNA?
A
Schwann and Schleiden
B
Virchow and Leeuwenhoek
C
Tim and Moby
D
James Watson and Francis Crick
*select an answer for all questions
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