Which of the following is the proper sequence in
clotting?
a. prothrombin, fibrinogen, fibrin, thrombin, clot
b. prothrombin, fibrin, fibrinogen, thrombin, clot
c. prothrombin, thrombin, fibrinogen, fibrin, clot
d. thrombin, prothrombin, fibrin, fibrinogen, clot
e. none of these
Answer: c
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Facilitated diffusion is specific. This means ____
a. a specific protein will transport certain polar or charged molecules but not others b. that only one specific integral protein per membrane is involved in facilitated diffusion c. that the energy molecule ATP is specifically required for transport d. only specific hydrophobic molecules can be transported e. that transport of molecules occurs only in specific cells
What is the most commonly employed form of birth control in the United States?
A. sperm blockage with condoms B. prevention of ovulation by hormonal inhibition C. abstinence D. sterilization E. prevention of embryo implantation with IUD
The individual credited with first observing the cell nucleus was ____
a. Anton van Leeuwenhoek b. Robert Brown c. Matthias Schleiden d. Theodor Schwann e. Rudolf Virchow
Within the Human Genome Project, the program named ____________________ considers how the project affects
individuals and society. Fill in the blank(s) with the appropriate word(s).