A male's "primary" sex characteristics include _____
A) deepening of the voice at puberty
B) development of the seminal vesicles and associated ducts
C) elongation of the skeleton prior to puberty
D) onset of growth of facial hair at puberty
B
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An individual heterozygous for sickle-cell disease produces both normal and abnormal polypeptides. This is an
example of ____.
a. epistasisb. incomplete dominance c. polygenic inheritance d. multiple alleles e. pleiotropy
Lithosphere plates move in opposite directions past each other at regions known as:
a. divergent plate boundaries. b. convergent plate boundaries. c. escarpments. d. transform faults. e. hydrothermal vents.
Which organ of the gastrointestinal tract has a large commensal population of microorganisms?
A. Large intestine B. Small intestine C. Pancreas D. Liver E. Salivary glands
Which term includes all others in the list?
a. Monosaccharide b. Carbohydrate c. Disaccharide d. Starch e. Polysaccharide