Cell adhesion molecules can be divided into four major groups. Which of the following is not one of those groups?
a. Selectins
b. Integrins
c. Collagens
d. Immunoglobulin superfamily
Ans: c. Collagens
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A challenge with scientific breakthroughs is that they are rarely accompanied by ________
a. the desire to continue researching them b. the discovery of the tools to study them c. the people interested in them d. the legislation necessary to support them e. the funding to continue the research
Only a small amount of ATP is produced during glycolysis because most of the energy stored in a glucose molecule remains in the bonds of
A. PGAL. B. NADH. C. pyruvate. D. carbon dioxide. E. CO2.
A prenatal diagnosis procedure that has recently come into wide use and can be performed earlier than amniocentesis
involves sampling the _____. a. yolk sac material b. allantois c. chorion d. yolk sac e. umbilical cord
Whether an area of the country will be a desert or grassland is primarily determined by
A. the average temperature. B. the average rainfall. C. the length of the winter. D. the kinds of animals in the area.