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WorksheetsDNA
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
Who were the scientists credited with discovering the double helix structure of DNA?
a)
Einstein and Newton
b)
Watson and Crick
c)
Darwin and Mendel
d)
Curie and Rutherford
2.
The building block of nucleic acids are nucleotides. Nucleotides are composed of a sugar, a phosphate group, and a _________________ base.
a)
oxygen
b)
hydrogen
c)
nitrogen
d)
carbon
3.
The backbone of a DNA molecule is made from a 5 carbon ______________ and a _______________ group.
a)
lipid, carbon
b)
sugar, phosphate
c)
nitrogen, oxygen
d)
nitrogen, sulfur
4.
What are the four nitrogen bases?
a)
adenine, thymine, guanine, cytosine
b)
adenine, lysine, prolene, guanine
c)
arganine, cytosine, lysine, purine
d)
lysine, cytosine, lucine, guanine
5.
The shape of the DNA molecule is a double __________________?
a)
"S"
b)
helix
c)
rope
d)
curve
6.
The sugar in DNA is ?
a)
ribose
b)
glucose
c)
deoxyribose
d)
fructose
7.
When DNA makes a copy of itself, the new strands are identical or different?
a)
identical
b)
different
8.
What is the primary role of DNA in living organisms?
a)
storing genetic information
b)
providing energy
c)
regulating temperature
d)
transporting nutrients
9.
DNA makes a copy of itself in a process called ________________________________?
a)
translation
b)
replication
c)
transcription
d)
division
10.
What are the building blocks for DNA?
a)
carbohydrates
b)
nucleotides
c)
lipids
d)
proteins
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