Lactose intolerance is the inability to
A) produce milk proteins.
B) produce lactose.
C) digest cellulose.
D) digest lactose.
Answer: D
Biology & Microbiology
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Maintaining a steady-state internal environment, despite a changing external environment, is called ________.
A. heterostasis B. homeostasis C. biofeedback D. bioregulation
Biology & Microbiology
When a disease becomes widespread in a region it is called a(n) ________
a. pandemic b. pandemonium c. epidemic d. scare e. vector
Biology & Microbiology
Approximately ____ Y-linked genes have been discovered
a. 10 b. 20 c. 60 d. 80
Biology & Microbiology
Natural selection may result in
A. retention of favorable genes. B. mutations. C. the introduction of new genes into a population. D. All of these answers are true.
Biology & Microbiology