The difference between the classic complement systems and alternative complements is:
a) How C3 convertase is activated
b) How the membrane attack complex is formed
c) One system promotes inflammation and the other does not
d) One system opsonizes pathogens and the other does not
Answer: a) How C3 convertase is activated
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Which of the following statements reflects the first law of thermodynamics?
A. The energy of the starting materials for a reaction will equal the sum of energies of the products plus energy released as heat and disorder. B. The amount of useable energy resulting from a reaction will always be less than the total energy available in the starting materials. C. The entropy of the products of a reaction will always be greater than the entropy of the starting materials. D. The entropy of the starting materials for a reaction will always be greater than the entropy of the products.
The only part of an amino acid that differs from other amino acids is its R group.
Answer the following statement true (T) or false (F)
Brush border cells have:
a. villi b. acidic secretions c. microvilli d. bile secretions e. smooth muscle
Which of the following is an example of a population?
1.all of the Bent-nosed clams in a mudflat in Elkhorn Slough, California 2.all of the invertebrates living in a mudflat in Elkhorn Slough, California 3.all of the organisms in a mudflat in Elkhorn Slough, California interacting with the physical and chemical environment 4.all regions of the Earth’s crust, waters, and atmosphere in which organisms live