Of the choices listed, the first event that occurs during embryonic development is:
A) organogenesis. B) blastula formation.
C) cleavage. D) germ layer formation.
Answer: C
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Describe how orally taken antibiotics can result in the harmful alteration in digestive functions and disease
What will be an ideal response?
Ten percent Calcofluor White stain is often used in wet mounts of ________.
A. bacteria B. molds C. parasites D. protozoa
Once a hormone activates the enzyme adenylyl cyclase, ATP is converted to cAMP, which in turn:a
activates protein kinase. b. inhibits phosphodiesterase. c. initiates more cAMP production. d. initiates protein synthesis. e. inhibits protein synthesis.
Which phrase would most likely be used in a discussion of homeostasis?
A. Respond to environmental stimuli B. Limited range of variation C. Rapid energy turnover D. Both respond to environmental stimuli and limited range of variation E. Both respond to environmental stimuli and rapid energy turnover