Amniotes differ from amphibians by ____
a. their size
b. possession of lungs
c. internal fertilization
d. laying of eggs
e. being tetrapods
ANSWER: c
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In the cell cycle, the G1 phase represents ____
a. the stage of DNA synthesis b. splitting of the chromosomes into chromatids c. a period of growth d. the stage of actual cell division e. the stage just prior to meiosis
An enzyme is a protein that catalyzes chemical reactions.
a. true b. false
Which statement about the inflammatory response is false?
a. Bradykinin causes increased capillary permeability. b. Type I interferons and neutrophils secrete histamine. c. Increased blood flow to infected areas brings more phagocytic cells. d. Swelling results from an increase in the volume of interstitial fluid in the infected area. e. Edema and certain enzymes in the plasma cause the pain associated with inflammation.
The reaction below represents a ____ reaction.
A. dehydration synthesis
B. hydrolysis
C. unbalanced
D. equilibrium