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Protein Synthesis Study Guide

Total questions: 17

Worksheet time: 1hrs 25mins

Name
Class
Date
1.

What would the mRNA complement of the above DNA strand be? DNA: TCCGAC

a)

AGGCTG

b)

AGGCUG

c)

TCCGAC

d)

AGCCTG

2.

5 The diagram below shows a strand of DNA matched to a strand of messenger RNA. What process does this diagram represent?

a)

DNA Replication

b)

Transcription

c)

Translation

d)

Mutations

3.

5’ AACAATAGGGCTGGC 3’

6. The above sequence of DNA is part of a gene. How many amino acids are coded for by this segment?

a)

2

b)

5

c)

15

d)

8

4.

8. What RNA is responsible for carrying coded information from the nucleus?

a)

mRNA

b)

tRNA

c)

rRNA

5.

9. The process by which the order of bases in messenger RNA (mRNA) codes for the order of amino acids in a protein is called

a)

DNA replication

b)

transcription

c)

translation

d)

RNA replication

6.

A segment of a DNA strand has the following bases:

AGGTAC What is the complementary strand of DNA?

a)

TCCAUG

b)

ACCTAG

c)

UCCAUG

d)

TCCATG

7.

13 Protein synthesis starts with:

a)

DNA

b)

mRNA

c)

tRNA

d)

Amino Acids

8.

14. One human disease is caused by a change in one codon in a gene from CAA to CUA. This disease is the result of (frameshift or point?)

a)

frameshift mutation

b)

point mutation

9.

16. The above segment of DNA has undergone a mutation in which three nucleotides have been deleted. A repair enzyme would replace them with

a)

GGA

b)

CCU

c)

CCT

d)

GGU

10.

17. A strand of mRNA containing the repeating sequence AAGAACAAUAAC could code for which of the following amino acid sequences?

a)

Lys-Lys-Asn-Lys

b)

Met-Leu-Pro-His

c)

Lys-Asn-Asn-Asn

d)

Glu-Arg-Gly-Ser

11.

19 The diagram below represents a process that occurs within a cell in the human pancreas. This process is known as ________

a)

DNA replication

b)

transcription

c)

translation

d)

RNA replication

12.

25. This chart compares the base sequences of homologous segments of DNA from three primates. Based on this information, how many differences in the resulting amino acid sequences would you expect to find between humans and Gorillas?

a)

1

b)

2

c)

3

d)

7

13.

26. This molecule has an anti-codon and brings a specific amino acid to the ribosome.

a)

DNA

b)

mRNA

c)

tRNA

d)

amino acids

14.

27. If the DNA base pairs are TAC, what amino acid is being coded for?

a)

Ile

b)

Met

c)

Lys

d)

Val

15.

28. Which of the mRNA sequences codes for Stop?

a)

UUU

b)

AAG

c)

UAG

d)

UGC

16.

What are the nucleotide bases for DNA?

a)

A=T C=G

b)

A=U C=G

17.

What are the nucleotide bases for RNA?

a)

A=T C=G

b)

A=U C=G