In the placenta, nutrients move from mother to baby by ____
a. activated transport
b. the Rh factor
c. transport proteins
d. simple diffusion
e. HCG
ANSWER: c
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The distribution of biomes is primarily determined by weather/wind cycles due to latitudinal gradients in
A. temperature. B. elevation. C. rivers. D. biodiversity. E. rainfall.
Fats and fatty acids
A. are insoluble in water. B. contain the same fatty acids. C. have the same number and location of C-C double bonds. D. have the same molecular length. E. are liquid or solid at room temperature, regardless of chemical composition.
Members of this Ecdysozoan phylum include insects, spiders, crustaceans, millipedes, and centipedes
a. Arthropoda b. Onychophora c. Nemertea d. Annelida e. Nematoda
Effective vaccines are available for which of the following?
a. hepatitis B virus b. hepatitis C virus c. hepatitis D virus d. hepatitis B and C viruses