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Protein Synthesis

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

Which process is used to make mRNA from the DNA in the nucleus?

a)

transcription

b)

translation

c)

replication

2.

Where does transcription take place in EUKARYOTIC cells?

a)

nucleus

b)

cytoplasm

c)

ribosome

3.
Which RNA bases would pair with TACGAA in transcription? 
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
4.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
5.
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
6.

When the mRNA sequence leaves the nucleus, what organelle does it travel to (what organelle makes proteins)?

a)

mitochondria

b)

smooth ER

c)

ribosome

d)

vacuole

7.

What best explains the interaction between tRNA and mRNA during translation?

a)

anticodons on the mRNA line up with complementary codons on the tRNA

b)

anticodons on the tRNA line up with complementary codons on the mRNA

c)

tRNA attach amino acids to the complementary mRNA sequence

d)

mRNA attach amino acids to the complementary tRNA sequence

8.

What do amino acids come together to join?

a)

a growing polypeptide chain (protein)

b)

a growing lipid

c)

a growing carbohydrate

d)

a growing nucleic acid

9.

How many nucleotides make up a single codon?

a)

3

b)

5

c)

4

d)

1

10.

The following codon is translated into which amino acid?


AUU

a)

Methionine

b)

Isoleucine

c)

Histidine

d)

Arginine

11.

What is the correct sequence in the process of making a protein?

a)
RNA --> DNA --> Protein
b)
Protein --> RNA --> DNA
c)
DNA --> RNA --> Protein
d)
DNA --> Protein --> RNA
12.

Which of the following make up a nucleotide?

a)

Sugar, phosphate, and base

b)

Sugar, nitrate, and base

c)

Lipid, phospate, and sugar

d)

Protein, phosphate, and base

13.
What are the building blocks of proteins called?
a)
DNA
b)
RNA
c)
Ribosomes
d)
Amino Acids
14.

The image shows the production of petal color in a flower.

What can be concluded from the diagram?

a)

DNA and a protein mix together to produce purple flowers.

b)

Proteins stop the DNA from keeping the flower petals white.

c)

DNA codes for a protein that makes pigments so the flower appears purple.

d)

A pigment protein makes DNA, which causes the flower to appear purple.

15.

Messenger RNA travels out of the nucleus to ribosomes

and is used as a template to assemble a protein.

a)

Translation

b)

Transcription

c)

Replication

d)

Homeostasis

16.

Assembling proteins via instructions from DNA.

a)

Replication

b)

Mutations

c)

Protein synthesis

d)

Homeostasis

17.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
18.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
19.
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
20.
If you are missing or have an extra base  at the end of your mutated DNA . What type of mutation occurred?
a)
Substitution
b)
Frameshift
c)
Duplication 
d)
Insertion