IgG antibodies cross the placenta and enter the fetus' bloodstream, producing (active/natural/passive) acquired immunity.
Fill in the blank(s) with the appropriate word(s).
passive
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What is the source of energy for the synthesis of organic molecules in a photoautotroph?
A. carbon dioxide B. inorganic compounds C. other organic compounds D. light E. heat
____ and ____ that enter Bowman's capsule are reabsorbed
a. Water; urine b. Starches; amino acids c. Amino acids; proteins d. Glucose; amino acids e. Glucose; proteins
Fertilization takes place in the uterus. Indicate whether the statement is true or false
A currently accepted hypothesis for gravitropism in plants is that:
A) sedimentation of organelles triggers hormone release. B) bending of leaves in response to gravity triggers growth in the opposite direction. C) microscopic eyespots trigger upward (skyward) growth. D) ground contact inhibits stem growth while air stimulates it.