The inter-weaving of the circulatory system with the nephron is essential for the concentration of urea in the urine.
a. true
b. false
Answer: a. true
Biology & Microbiology
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Which hormone stimulates spermatogenesis?
a. LH b. FSH c. testosterone d. progesterone
Biology & Microbiology
Which is an example of an organ that is nervous in origin, structure, and function but secretes
substances into the bloodstream? a. anterior pituitary b. posterior pituitary c. pancreas d. adrenal cortex e. testis
Biology & Microbiology
Light reactions produce
A) ATP, NADPH, and O2. B) ATP, NADPH, and H2O. C) ATP, NADPH, and CO2. D) glucose, ATP, and O2. E) glucose, ATP, and CO2.
Biology & Microbiology
Polar covalent bonds result from _______.
a) equal sharing of electrons in an ionic bond b) unequal sharing of electrons in an ionic bond c) hydrogen bonding between molecules d) equal sharing of electrons in a covalent bond e) unequal sharing of electrons in a covalent bond
Biology & Microbiology