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Structure and Function of DNA

Total questions: 19

Worksheet time: 14mins

Name
Class
Date
1.

Which of the following is not a component of DNA?

a)

Deoxyribose Sugar

b)

Phosphate Group

c)

Carbon Base

d)

Nitrogen Base

2.
Which of the following is not a nitrogen base found in DNA?
a)
Thymine
b)
Uracil 
c)
Guanine
d)
Adenine
3.

According to the Base Pair rule, Cytosine always pairs with

a)

Adenine

b)

Uracil

c)

Thymine

d)

Guanine

4.

The twisted ladder shape of DNA is known as a

a)

Double Helix

b)

Triple Helix

c)

Single Helix

d)

Double felix

5.

Assume that you have straight hair and your sibling has curly hair. What accounts for this difference?

a)

You have DNA and your sibling does not.

b)

The your sequence of nitrogen bases is different than your sibling.

c)

Your sibling dyed their hair

d)

Your sibling has a genetic mutation.

6.

How is the instructions for your traits carried on a DNA molecule?

a)

Sequence of the nitrogen bases

b)

In the Deoxyribose Sugar

c)

In the bond between the phosphate and the sugar

d)

In the phosphate group

7.
The genetic material in cells is called......
a)
RNA
b)
Gene
c)
DNA
d)
Neuclotide
8.
What will the matching sequence be on a strand that reads AAGCTAT?
a)
AACGATA
b)
TTCGTTA
c)
CCTGATA
d)
TTCGATA
9.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
10.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
11.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
12.
Name this structure
a)
double helix
b)
nucelotide
c)
amino acid
d)
protein
13.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
ribose (sugar) and nitrogen bases
b)
ribose (sugar) and phosphate
c)
deoxyribose (sugar) and nitrogen bases
d)
deoxyribose (sugar) and phosphate
14.

Which organelle (eukaryotic) is DNA usually found in?

a)

mitochondrian

b)

cell membrane

c)

chloroplast

d)

nucleus

15.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
16.
What is the correct complementary strand for the following DNA?ATCGAG
a)
UAGCUC
b)
TAGCTC
17.
DNA codes for...
a)
bases
b)
proteins
c)
amino acids
d)
phosphates
18.
What does DNA stand for?
a)
deoxyribonucleic acid
b)
ribonucleic acid
19.

Which of the following is not a function of DNA?

a)

Stores genetic information

b)

Codes for proteins

c)

Helps determines your traits

d)

Tells your body when to move