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DNA Parts

Total questions: 20

Worksheet time: 25mins

Name
Class
Date
1.

DNA stands for

a)

Dioxyribo Nucleic Acid

b)

Dunder Nucleic Acid

c)

Dopamine Nucleic Acid

d)

Deciduous Nucleic Acid

2.

Which is in order from largest to smallest structure?

a)

chromosome, DNA strand, gene, nucleotide

b)

chromosome, gene, DNA strand, nucleotide

c)

gene, DNA strand, chromosome, nucleotide

d)

DNA strand, chromosome, gene, nucleotide

3.

What are the parts of a nucleotide?

a)

phosphate, sugar, base

b)

A, T, G, C

c)

Nucleic Acids

d)

two base pairs connected

4.

Which of the following is correctly matches: ATT GTA CGA

a)

TAA CAT GCT

b)

ATT GTA CGA

c)

TAA GTA TCG

d)

GCC ACG TAC

5.

The 'backbone' or 'ribbon' of the DNA strand is made of:

a)

phosphate and sugar

b)

phosphate only

c)

phosphate and base

d)

sugar and base

6.

Hydrogen bonds occur:

a)

on the ribbon (between the sugar)

b)

between the bases

c)

only between A & T

d)

only between G & C

7.

What is this a picture of?

a)

nucleotide

b)

DNA strand

c)

chromosome

d)

gene

8.

Which of the following correctly matches: GCT AGA TCG

a)

CGA TCT AGC

b)

TAG CTC GAT

c)

ATC GAG CTA

d)

ATG CTC CGT

9.

DNA is shaped in a:

a)

double helix

b)

tightly packed swirl

c)

twisted ladder

d)

nucleotide

10.
_____________________ carries information for inherited traits.
a)
DNA
b)
FBI
c)
RNA
d)
CBS
11.
A nucleotide is made up of three parts:  which of these is not one of those parts?
a)
sugar
b)
phosphate
c)
amino acids
d)
base
12.
In DNA, Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
13.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
14.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
15.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
16.

Pick the complimentary strand to the following strand of DNA:

AATCATGGA

a)

AATCATGGA

b)

TTAGTACCT

c)

UUAGUACCU

d)

GGATAUCUA

17.

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

18.
Which statement is true?
a)
Purines are smaller than pyrimidines
b)
Purines are larger than pyrimidines
c)
Purines always pair with purines
d)
Purines do not pair
19.

Smaller bases (single ring) are called ___ and are __ & __.

a)

purines, T & C

b)

pyrimidines, T & C

c)

pyrimidines, A & G

d)

purines, A & G

20.

Larger bases (double ring) are called ___ and are __ & __.

a)

purines, T & C

b)

pyrimidines, T & C

c)

purines, A & G

d)

pyrimidines, A & G