Sebaceous glands in the skin produce ____
a. oils
b. sweat
c. tears
d. new skin cells
e. hormones
ANSWER: a
Biology & Microbiology
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Where is the site of elongation of long bones?
A. in the diaphysis. B. in the growth plate epiphysis. C. as part of the articular cartilage. D. lining the bone marrow cavity.
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In most eumetazoans, the nervous system is derived mainly from which embryonic cell layer?
a. mesoderm b. epiderm c. mesoglea d. endoderm e. ectoderm
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Monosaccharides and disaccharides are types of ____
a. proteins b. lipids c. nucleic acids d. carbohydrates e. amino acids
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Mitochondria are thought to have arisen from
A. Cyanobacteria B. Mycoplasma C. a- proteobacteria D. Archaea
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