Which organ system is NOT required for the maintenance of homeostasis within an organism?
a. excretory system
b. reproductive system
c. skeletal system
d. endocrine system
e. lymphatic system
B
Biology & Microbiology
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Which function is not mediated through the integumentary system?
A. Protection against infection B. Peripheral circulation C. Fluid control D. Temperature control
Biology & Microbiology
The main cause of emphysema is
a. a genetic predisposition. b. exposure to chemicals in the workplace. c. recurring respiratory infections. d. long-term smoking. e. poor diet.
Biology & Microbiology
Which of the following does NOT cause changes in allele frequencies?
a. genetic drift b. mutation c. natural selection d. gene flow from migration e. random mating
Biology & Microbiology
RNA polymerase binds to the
A. regulation sequence. B. promoter sequence. C. termination sequence. D. start codon.
Biology & Microbiology