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WorksheetsDNA Structure
Total questions: 14
Worksheet time: 11mins
Name
Class
Date
1.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
2.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
3.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
4.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
5.
In eukaryotes, which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
6.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
7.
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
8.
The sugar in DNA is ?
a)
sucrose
b)
glucose
c)
deoxyribose
d)
fructose
9.
Which series is arranged in order from largest to smallest in size?
a)
gene, chromosome, nucleus, cell, nucleotide
b)
cell, nucleus, chromosome, gene, nucleotide
c)
nucleotide, chromosome, cell, nucleus
d)
cell, gene, nucleotide, nucleus, chromosome
10.
The molecule pictured is a building block of _______.
a)
a lipid
b)
DNA
c)
a carbohydrate
d)
a protein
11.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
12.
What is an organized picture of all of an organism’s homologous chromosome pairs lined up with each other?
a)
DNA
b)
A Chromosome
c)
Karyotype
d)
Allele
13.
Which chromosome determines if someone will be male or female?
a)
# 20
b)
# 13
c)
# 23
d)
# 46
14.
How many pairs of chromosomes does everyone have?
a)
46
b)
16
c)
8
d)
23
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