The skin is part of which system?
a. integumentary
b. muscular
c. skeletal
d. endocrine
e. respiratory
A
Biology & Microbiology
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The chemistry of living systems representing all chemical reactions is called
A. catabolism. B. anabolism. C. metabolism. D. enzymology. E. thermodynamics.
Biology & Microbiology
Substance that keeps the alveoli open
Biology & Microbiology
A karyotype is a technique by which a researcher can see and count chromosomes
A. true B. false
Biology & Microbiology
Expression of homeotic genes
A) assigns a unique identity to each segment. B) defines anterior and posterior ends of the fly. C) controls the expression of the segment polarity genes. D) subdivides the embryo into a precise number of segments.
Biology & Microbiology