Which of the following can result from repeatedly taking more individuals from a population than can be replaced?
a) overharvesting
b) exotic species
c) habitat loss
d) climate change
Ans: a) overharvesting
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Influenza A virus can be identified by which of the following surface glycoproteins?
A) HA B) NA C) both HA and NA D) M protein
The spleen, in part, functions to cleanse the
A. lymph. B. interstitial fluid. C. cytoplasm. D. blood.
After ovulation, the mature follicle becomes the corpus luteum
Indicate whether the statement is true or false
Growth of new blood vessels is stimulated by vascular endothelial growth factor (VEGF). This ligand binds to the VEGF receptor, which leads to the dimerization and autophosphorylation of this receptor on cytoplasmic tyrosines. What type of receptor is the VEGF receptor?
A. Enzymatic receptor B. G protein-coupled receptor C. Steroid hormone receptor D. Channel-linked receptor