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Module 5

Total questions: 23

Worksheet time: 17mins

Name
Class
Date
1.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
2.
Name this structure
a)
double helix
b)
nucelotide
c)
twisted ladder
d)
hydrogen bond
3.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
4.
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
5.

You are given the DNA strand 5'ATGCTCAGCTGA3'. What is the corresponding DNA strand?

a)

5'UACGAGUCGACU3'

b)

5'TACGAGTCGACT3'

c)

3'UACGAGUCGACU5'

d)

3'TACGAGTCGACT5'

6.
The process of DNA replication is called semi conservative because it results in
a)
none of these
b)
Two DNA molecules.  One original molecule and one with two new strands
c)
two exact copies with new strands
d)
two identical molecules, each with 1 original strand and one new.
7.

Where is DNA made into RNA?

a)

Cytoplasm

b)

Nucleus

c)

Ribosome

d)

Cell Membrane

8.

Where is RNA made into protein?

a)

Cytoplasm

b)

Nucleus

c)

Ribosome

d)

Cell Membrane

9.

Find the amino acid that this segment of RNA codes for: GAC

a)

Arginine

b)

Asparagine

c)

Aspartic Acid

d)

Alanine

10.

In RNA, C pairs with G , and A pairs with

a)

U

b)

A

c)

C

d)

T

11.

A codon is a group of ___ RNA bases.

a)

1

b)

3

c)

5

d)

6

12.

Find the amino acid that this segment of DNA codes for: CGT

a)

Alanine

b)

Stop

c)

Valine

d)

Leucine

13.

Proteins are mode of

a)

nucleotides

b)

glucose

c)

fatty acids

d)

amino acids

14.
Where do mutations occur?
a)
DNA and RNA
b)
DNA 
c)
RNA
d)
mRNA and tRNA
15.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
16.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
17.

What are the three types of gene mutation?

a)

Insertion, Deletion, Subsitution

b)

Aberration, Deletion, Substitution

c)

Inversion, Duplication, Insertion

d)

Insertion, Duplication, Substitution

18.

Original: ATC CAT

Mutation: ATC GCAT

What mutation occurred?

a)

deletion

b)

insertion

c)

silent

d)

transverse

19.
The enzyme that unwinds the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
20.

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

21.

Transcription goes from:

a)

DNA to DNA

b)

DNA to Protein

c)

DNA to RNA

d)

None of the above

22.

Transcribe the DNA to RNA:

G A C - C T A - A G T

a)

G A C - C T A - A G T

b)

C U G - G A U - U C A

c)

C T G - G A T- T C A

23.

Given the DNA template sequence of 3' TAC GTT ACT 5'. What is the corresponding mRNA strand?

a)

5'AUG CAA UGA 3'

b)

3' ATG CAA TGA 5'

c)

3'AUG CAA UGA 5'

d)

5' ATG CAA TGA 3'