Development and reproduction of an organism is guided by instructions from
a. the blood.
b. the brain.
c. DNA.
d. the environment.
e. RNA.
C
You might also like to view...
In this generalized illustration of gametogenesis, the
four cells in the right column should be labeled a. sperm. b. eggs. c. ovum and three polar bodies. d. secondary spermatocytes. e. diploid.
The epithelial lining of the small intestine is modified for what function?
A. protection B. absorption C. secretion D. removing debris E. excretion
A competitive inhibitor interferes with:
A. the oxidized site of the enzyme so a substrate cannot bind B. the active site of the enzyme so a substrate cannot bind C. the reduced site of the enzyme so a substrate cannot bind D. the allosteric site of the enzyme so a substrate cannot bind E. the repressor site of the enzyme so a substrate cannot bind
Cichlid fish from Lake Apoyeque, Nicaragua, have begun to develop distinct morphologies that allow them to eat different foods within the same lake. If these fish never fully speciate but continue to produce fit hybrids over a long period of time, what will be the result?
a. reinforcement
b. fusion
c. stability
d. inviability