Alpha cells of the pancreas secrete the hormone ________.
Fill in the blank(s) with the appropriate word(s).
glucagon
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The radius and ulna are bound to each other by a(n) ________ ligament
A) radioulnar B) interosseous C) antebrachial D) lateromedial E) intrabrachial
If a patient is administered a powerful glucocorticoid (such as prednisone) to suppress the immune system, what unintended effects might this have on blood chemistry?
A) increase of sodium B) decrease of sodium C) increase of blood glucose D) decrease of blood glucose E) both an increase in insulin and an increase in glucose
Anaerobic reactions of cellular respiration
A) break down glucose into 2 pyruvic acid molecules. B) do all of the above. C) transfer energy to ATP molecules. D) occur in the absence of oxygen.
An aquatic egg and larva are ancestral characters of anurans, but terrestrial eggs and even direct development that bypasses the larval stage entirely have evolved independently in many lineages of anurans
Why didn't all lineages evolve that way? That is, why might it be advantageous for a species of frog to have retained an aquatic egg and a larval stage?