Which term refers to the process in which an environmental stimulus triggers a response that compensates for changes in the internal/external environment?
a. physiological feedback
b. positive feedback
c. negative feedback
d. anatomical feedback
Ans: c. negative feedback
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The phenomenon through which populations of organisms change over several generations is termed
A. homeostasis. B. growth and development. C. reproduction. D. biological evolution. E. organization.
The phenomenon responsible for the ability of Corynebacterium diphtherium to produce the virulent toxin responsible for the devastating effects of diphtheria is called
A. self-assembly. B. matrix conversion. C. prion protein. D. lysogenic conversion.
Ions carrying a positive charge are cations
Indicate whether the statement is true or false
What is the primary function of centrioles in animal cells?
a. to provide a point of attachment for spindle fibres on chromosomes b. to connect the two sister chromatids c. spindle formation d. the generation of flagella and cilia