Which hormone, made by the kidney, is necessary for red blood cell production by bone marrow?
a. erythropoietin
b. hemoglobin
c. insulin
d. erythrocytes
e. leucocytes
ANSWER: a
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Stem cells divide and become immunocompetent.
Comparisons of human and mouse genomes reveals
A. they have widely different numbers of genes, and share only a few more genes than humans and pufferfish. B. the differences between humans and mice are mainly the introns. C. they have very little in common. D. the genomes are very similar, with most of the genes unique to mice linked to size and shape. E. the genomes are very similar, with most of the genes unique to mice linked to smell and reproduction.
The immediate causes of behaviors, such as genetic and physiological mechanisms are called __________ causes.
A. proximate B. ultimate C. internal D. physiochemical E. internal and physiochemical
Where is ATP synthase located in the mitochondrion?
A) cytosol B) electron transport chain C) outer membrane D) inner membrane E) mitochondrial matrix