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Translation, Transcription, and Mutations.

Total questions: 25

Worksheet time: 17mins

Name
Class
Date
1.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
2.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
3.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
4.
What is the location in the cell for translation?
a)
nucleus
b)
mitochondria
c)
ribosome
d)
chloroplast
5.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
6.
What is the three base sequence of mRNA that codes for a single amino acid?
a)
Anticodon
b)
Codon
c)
Protein
7.
The mRNA leaves the ________ to find the ribosome to make proteins.
a)
cell
b)
nucleotide
c)
nucleus
8.

A small organelle in the cell on which proteins are assembled, It is a type of protein.

a)

Mitochondria

b)

Ribosome

c)

Nucleus

d)

Lysosome

9.
Which statement is describing the process of protein synthesis?
a)
DNA is copied into mRNA which is translated into protein
b)
DNA is copied into DNA
c)
DNA is copied into lysosome
10.
DNA sequence ACCTG produces which mRNA strand? 
a)
UGGAC
b)
TGGAC
c)
GTCCA
11.

Transcribe the following DNA strand: CTG AAT

a)

GAC TTA

b)

CTG AAT

c)

GAC UUA

d)

CUG AAU

12.
process in which cells make proteins
a)
protein synthesis
b)
translation
c)
transfer RNA (tRNA)
d)
ribosomal RNA (rRNA)
13.
What is the correct sequence?
a)
RNA --> DNA --> Protein
b)
Protein --> RNA --> DNA
c)
DNA --> RNA --> Protein
d)
DNA --> Protein --> RNA
14.

What type of substitution mutation has no effect

on amino acids sequence

a)

Insertion Mutation

b)

Translocation

c)

Silent Mutation

d)

Deletion Mutation

15.

What mutation has occurred here?

T-G-A-C-C-A

T-G-A-G-C-A

a)

Substitution

b)

Deletion

c)

Insertion

d)

Frameshift

16.

Original: ATC CAT

Mutation: ATC GCAT

What mutation occurred?

a)

deletion

b)

insertion

c)

silent

d)

transverse

17.

DNA molecule segment is : TTA-CGC-AAG

The mutated DNA segment is TTC-GCA-AG. This is an example of ___ mutation.

a)

Substitution

b)

Deletion

c)

Insertion

d)

Inversion

18.

Mutations can be...

a)

Harmful

b)

Beneficial

c)

Neutral

d)

All of the Above

19.

Mutations are...

a)

Changes in the sequence of DNA

b)

Broken chromosomes

c)

Bad genes

20.

Mutations are random.

a)

True

b)

False

21.

A substitution mutation occurs when

a)

a base pair is missing from the DNA strand

b)

a base pair is added to the DNA strand

c)

a base pair is replaced with a different base pair

22.

An insertion/additon mutation occurs when

a)

a base pair is missing from the DNA strand

b)

a base pair is added to the DNA strand

c)

a base pair is replaced with a different base pair

23.

A deletion mutation occurs when

a)

a base pair is missing from the DNA strand

b)

a base pair is added to the DNA strand

c)

a base pair is replaced with a different base pair

24.

What is this mutation?

a)

Frameshift

b)

Deletion

c)

Run-On

d)

Silent

25.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome

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