The overall purpose of the Calvin cycle is to:
A. generate molecules of ATP
B. build organic (carbon) molecules
C. give off oxygen for animal use
D. generate NADP
Answer: B
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Cells with a short life span that circulate in blood and tissues and are usually the first cells on the scene of a bacterial invasion are called:
a. monocytes. b. polymorphonuclear neutrophils. c. lymphocytes. d. macrophages.
What are 3 human activities that negatively affect sea turtle survival?
What will be an ideal response?
Until renamed by Paul Ehrlich in the 1890s, the heat-labile, nonspecific part of the immune system that enhances inflammation was known as "alexin". We now know that various proteins of this system attract neutrophils to tissues, direct phagocytosis of targets by neutrophils and macrophages, burst pathogens by insertion of the membrane attack complex (MAC), stimulate histamine release, and increase capillary permeability. What did Ehrlich rename this part of the immune system?
A. complement B. contingent C. Toll-like response D. acquired immunity E. MBL
Cytotoxic T lymphocytes insert (CD95/lectin/perforin) into the membranes of the cells they target as a first step in killing.
Fill in the blank(s) with the appropriate word(s).