Bio 112 Chapter 4 Practice Test - Metabolism

 

 

1. If a DNA strand has the nitrogen base sequence TTACGA, the corresponding base sequence of a messenger RNA molecule would be:

A. AAUGCU

B. AATGCT

C. TTACGA

D. UUTGCT

 

2. The process of copying DNA information into the structure of messenger RNA is called:

A. translation

B. deamination

C. transcription

D. replication

 

3. If the codon is AUG, the anticodon is:

A. TAC

B. UTC

C. UAC

D. AUG

 

4. During the process of protein synthesis, amino acids are positioned in the proper sequence by molecules of:

A. messenger RNA

B. transfer RNA

C. ribosomal RNA

D. nuclear RNA

 

5. DNA replication:

A. takes place the anaphase of mitosis

B. results in two DNA molecules, each with one old strand and one new strand of nucleotides

C. does not require that the double-stranded DNA be pulled apart

D. all of the above

 

6. If the strand of DNA molecule contained the base sequence CTAGC, the complementary strand in the DNA molecule would contain the nitrogen bas sequences:

A. AGCTA

B. GATCG

C. CTAGC

D. TGCAT

 

Use the following choices for questions 7-10.

A. True B. False

7.  A gene is a segment of RNA that has the instructions for making one protein.

8.  Transcription takes place on a ribosome.

9.  In dehydration synthesis, water is made.

10.  Hydrolysis is a catabolic reaction.

 


Answers:

1. a    2. c    3. c    4. b    5. b    6. b    7. b    8. b    9. a    10. a