A balanced diet should contain fruits, vegetables, and whole grains.
a. true
b. false
a. true
Biology & Microbiology
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During which stage of development are germ cell layers first formed?
A. fertilization B. cleavage C. neurulation D. gastrulation E. organogenesis
Biology & Microbiology
A(n) (symport/antiport/uniport) is a carrier protein that transports two substances in the same direction across a membrane.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
In a population, the difference between the birth rate and the death rate is the
A. population dispersion factor. B. per capita rate of increase. C. population density determining factor. D. S-shaped population curve. E. J-shaped population curve.
Biology & Microbiology
Briefly explain why allergies, such as hay fever, are characterized as a hypersensitive immune
response. What will be an ideal response?
Biology & Microbiology