TEST BANK
, Chapter 12 - Genetic Engineering and the Molecules of Life
(Testbank)
Student: ___________________________________________________________________________
1. If the adenine (A) content of DNA is 33%, what is its guanine (G) content?
A. 33%
B. 17%
C. 50%
D. 22%
2. The backbone structure of DNA is
A. sugar-base-sugar-base.
B. base-phosphate-base-phosphate.
C. base-base-base-base.
D. sugar-phosphate-sugar-phosphate.
3. The critical pieces of information that helped Watson and Crick decipher the structure of DNA were
I. Chargaff's rule.
II. the X-ray structure of DNA.
III. anti-Chargaff's rule.
IV. ultraviolet spectrum of DNA.
A. I and II only
B. I and III only
C. II and III only
D. I and IV only
4. A protein is a linear polymer composed of
A. sugar-amino acid-sugar-amino acid.
B. base-sugar-base-sugar.
C. amino acid-amino acid.
D. lipid-base-lipid-base.
5. The identity and sequence of the amino acids present in a protein is its
A. primary structure.
B. secondary structure.
C. tertiary structure.
D. quaternary structure.
6. Sickle cell anemia
I. is caused by mutation in the human gene that codes for a protein expressed in the red blood cells.
II. is a genetic disease, inheritable from one's parents.
III. can cause red blood cells to become sickle shaped.
IV. can clog organs, reducing their blood supplies.
A. I and II only
B. I and III only
C. I, II, and III only
D. I, II, III, and IV
7. How many DNA bases in any one gene must be changed for a mutation to have a serious effect?
A. one
B. two
C. five
D. at least 100
This study source was downloaded by 100000850577136 from CourseHero.com on 08-11-2022 08:08:17 GMT -05:00
https://www.coursehero.com/file/19968677/Chapter-12-Genetic-Engine/
, Chapter 12 - Genetic Engineering and the Molecules of Life
(Testbank)
Student: ___________________________________________________________________________
1. If the adenine (A) content of DNA is 33%, what is its guanine (G) content?
A. 33%
B. 17%
C. 50%
D. 22%
2. The backbone structure of DNA is
A. sugar-base-sugar-base.
B. base-phosphate-base-phosphate.
C. base-base-base-base.
D. sugar-phosphate-sugar-phosphate.
3. The critical pieces of information that helped Watson and Crick decipher the structure of DNA were
I. Chargaff's rule.
II. the X-ray structure of DNA.
III. anti-Chargaff's rule.
IV. ultraviolet spectrum of DNA.
A. I and II only
B. I and III only
C. II and III only
D. I and IV only
4. A protein is a linear polymer composed of
A. sugar-amino acid-sugar-amino acid.
B. base-sugar-base-sugar.
C. amino acid-amino acid.
D. lipid-base-lipid-base.
5. The identity and sequence of the amino acids present in a protein is its
A. primary structure.
B. secondary structure.
C. tertiary structure.
D. quaternary structure.
6. Sickle cell anemia
I. is caused by mutation in the human gene that codes for a protein expressed in the red blood cells.
II. is a genetic disease, inheritable from one's parents.
III. can cause red blood cells to become sickle shaped.
IV. can clog organs, reducing their blood supplies.
A. I and II only
B. I and III only
C. I, II, and III only
D. I, II, III, and IV
7. How many DNA bases in any one gene must be changed for a mutation to have a serious effect?
A. one
B. two
C. five
D. at least 100
This study source was downloaded by 100000850577136 from CourseHero.com on 08-11-2022 08:08:17 GMT -05:00
https://www.coursehero.com/file/19968677/Chapter-12-Genetic-Engine/
