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Protein Synthesis and mutations

Total questions: 14

Worksheet time: 8mins

Name
Class
Date
1.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
2.

In which of the following ways does genetic information typically flow in an organism?

a)

trait --> proteins --> RNA --> DNA

b)

RNA --> trait -->protein --> DNA

c)

DNA --> RNA --> protein --> trait

d)

DNA --> protein --> trait--> RNA

3.
What are the building blocks of proteins called?
a)
DNA
b)
RNA
c)
Ribosomes
d)
Amino Acids
4.

What term describes when mRNA is read 3 consecutive letters (bases) at a time and it codes for a single amino acid?

a)

Codon

b)

Anticodon

c)

Polypeptide

d)

Gene

5.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
6.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
7.

If the mRNA codons read ACA-GUA-GAA-UUG-AUC, what amino acids make up the protein sequence?

a)

Cys-Val-Gly-Ser-Stop

b)

Cys-His-Leu-Asn-Stop

c)

Thre-Val-Glu-Leu-Iso

d)

None of the above

8.

What type of biomolecule is being produced in the image?

a)

Carbohydrate

b)

Lipid

c)

Nucleic Acid

d)

Protein

9.

Once the DNA is copied into RNA, it goes to what organelle to begin protein synthesis?

a)

nucleus

b)

rIbosome

c)

cytoplasm

d)

centriole

10.

When using your codon chart, what sequence can you use to find the correct amino acid?

a)

DNA

b)

mRNA

c)

tRNA

d)

Any of these will do

11.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
12.
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 
13.
What type of chromosomal mutation is this?
a)
Translocation
b)
Inversion
c)
Deletion
d)
Duplication
14.
Transcription is a process that in eukaryotic cells takes place in the:
a)
Nucleus
b)
Cytoplasm
c)
Golgi Apparatus
d)
Rough E.R.