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DNA, RNA, Protein Synthesis

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The process represented in the diagram produces a molecule that is complementary to the template strand of DNA. What molecule is produced?

a)

new DNA

b)

polypeptide

c)

messenger RNA

d)

transfer RNA

2.

Consider the following DNA sequence: AUGTTCAGTCAC. How many codons would be formed from this sequence?

a)

12

b)

9

c)

4

d)

3

3.

Transcribe AGG-CAC. Which of the following would be the correct complementary mRNA strand?

a)

AGG-CAC

b)

TCC-GTC

c)

UCC-GUG

d)

GAA-TGT

4.

Translate the mRNA codons CUC-AGG. Which of the following would be the correct amino acid sequence for these codons?

a)

Leu-Arg

b)

Thr-Ser

c)

Leu-Lys

d)

Met-Val

5.

Which enzymes helps to produce the mRNA strand by adding nucleotides, one at a time?

a)

amylase

b)

RNA polymerase

c)

helicase

d)

RNA nuclease

6.

Which amino acid does the codon ACC code for?

a)

Thr

b)

Tyr

c)

Asp

d)

Stop

7.

Replicate the following strand: GGC-ATA-CTC

a)

CCG-TAA-GAG

b)

GGC-ATA-CTC

c)

CCG-TAT-GAG

d)

CCG-UAU-GAG

8.

Which is the correct sequence of the Central Dogma?

a)

DNA-->RNA-->Protein

b)

protein-->DNA-->RNA

c)

RNA-->protein-->DNA

d)

protein-->RNA-->DNA

9.

If a portion of mRNA reads GUC-AAC, what was the original DNA sequence that coded for it?

a)

CAG-TTG

b)

GUC-AAC

c)

GTC-AAC

d)

GUC-UUC

10.

Which description explains the role of the tRNA in the proces shown in this model?

a)

The model reads the message of nucleic acids, or nucleotides, and tranlates it into proteins, or amino acids

b)

The model recognizes when mutations occur nad fixes them on the DNA strand

c)

The model signals the unzipping of the DNA strand prior to DNA replication

d)

The modle scans the developing peptide to make sure that the sequence of the amino acids matches the mRNA