The protein coat of a virus is also referred to as its:
a. cell wall.
b. capsomer.
c. armor.
d. capsid.
e. antigen.
Ans: d. capsid.
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When differences in the phenotype due to the environment can be ignored:
A. the environmental component of a complex trait can be more easily identified. B. the genetic variation underlying phenotypic differences can be more easily identified. C. the trait is not considered a complex trait. D. epistatic interactions determine phenotypes. E. All of these choices are correct.
Answer the question using the accompanying figure. The constant region of a heavy chain is indicated by
number____.
a. 1 b. 2 c. 3 d. 4 e. 5
Which type of bonds hold the two chains of DNA together in a DNA molecule?
a. hydrogen b. polar covalent c. nonpolar covalent d. ionic e. peptide
The DNA strands that will be together in the new
DNA molecules are a. A – D and B – C. b. A – B and C – D. c. A – C and B – D. d. A – D – B and A – D – C. e. A – B – C - D.