Which structure(s) is(are) NOT included in the lymphatic system?
a. lymph nodes
b. the spleen
c. the thymus
d. tonsils
e. the thyroid
E
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When the product of reaction A becomes the reactant of reaction B, this exemplifies a ________ metabolic pathway.
A. divergent B. cyclic C. bidirectional D. convergent E. linear
In a case of incomplete dominance, the phenotypic ratio of the F2 generation is the same as the genotypic ratio.
Answer the following statement true (T) or false (F)
The presence of a loop of Henle in nephrons is an evolutionary adaptation that enables mammals and birds to reabsorb water efficiently and produce a ____________ urine.
A. hypertonic B. osmolar C. isotonic D. hypotonic
A patchy distribution of an essential resource leads to a(n) ____ population distribution
a. clumped b. random c. uniform d. exponential e. logistic