In DNA, cytosine always pairs with ________________
a. thymine
b. guanine
c. cytosine
b
You might also like to view...
Structures that have similar structure and function but different evolutionary origins are called:
A. inherited. B. evolutionary modifications. C. analogous. D. homologous. E. uniform.
Four of the five choices listed below are different
forms of a class of nucleic acids. Select the exception. a. template b. ribosomal c. messenger d. transfer e. mRNA
In many bird and mammal species, males compete
for females, but females do NOT compete for males because a. males are larger than females. b. females are larger than males. c. females produce fewer gametes than males do. d. females compete for territory. e. males produce pheromones but females do not.
Which definition would best describe the mode of nutrition of Euglena?
A. heterotrophic B. mixotrophic C. photoautotrophic D. decomposer E. carnivorous