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RNA and MUTATIONS

Total questions: 21

Worksheet time: 29mins

Name
Class
Date
1.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
2.
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
3.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
4.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
5.
The following picture must be
a)
DNA because it's double stranded
b)
RNA because it's single stranded
c)
DNA because it's single stranded
d)
RNA because it's double stranded
6.

Which two scientists made the first model of double-helix of DNA?

a)

Watson and Crick

b)

Wilkins and Franklin

c)

Wilkins and Crick

d)

Watson and Franklin

7.
What is the difference between DNA and RNA in terms of bases?
a)
RNA contains uracil in place of thymine
b)
RNA contains uracil in place of adenine
c)
RNA contains uracil in place of guanine
d)
RNA contains uracil in place of  cytosine
8.

The nitrogen base pairs for RNA are

a)

A-T C-G

b)

A-U C-G

c)

A-C T-G

d)

T -U G-C

9.

What do ribosomes do for the cell?

a)

Make proteins for the cell

b)

Package and deliver items in the cell

c)

Produce energy for the cell

d)

Controls what exits/enters the cell

10.

What is the process of turning DNA into RNA?

a)

Central Dogma

b)

Transcription

c)

Translation

d)

Trapezoid

11.

A type of RNA that carries the Amino Acid to the ribosomes.

a)

mRNA

b)

rRNA

c)

tRNA

d)

xRNA

12.

where is the site of translation ?

a)

ribosomes

b)

telomerase

c)

helicase

d)

primase

13.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

14.
What are 3 types of RNA?
a)
mRNA, tRNA, rRNA
b)
aRNA, fRNA, mRNA
c)
TRNA, MRNA, RRNA
d)
MRNA, ARNA, FRNA, MRNA
15.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
16.

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

17.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

18.

Original DNA: CAT GAT CCA

New DNA: CAT TGA TCC A

What mutation occurred?

a)

deletion

b)

substitution

c)

tranverse

d)

insertion

19.

How many nucleotides make up a codon?

a)

1

b)

3

c)

5

d)

15

20.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
21.
When one base replaces another, this is a common type of mutation called what?
a)
Insertion
b)
Substitution
c)
Inversion
d)
Deletion

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