Phospholipids are lipids that contain cholesterol.?
Indicate whether the statement is true or false
False
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Match the appropriate characteristic with the type of immunity.A. Innate immunityB. Antibody-mediated immunityC. Cell-mediated immunityD. Both antibody-mediated and cell-mediated immunityE. Innate immunity, antibody-mediated immunity, and cell-mediated immunityMediated by T cells
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT a common characteristic of a negative feedback system?
a) regulates conditions in body that remain fairly stable over long periods b) important in maintaining homeostasis c) involves control centers in the nervous or endocrine systems d) stimulates changes that reverse the direction of the stimulus e) usually requires an event outside the feedback system to shut it off
Individuals with type O blood are considered universal donors:
1.because they are usually very caring people. 2.because their red blood cells carry neither A nor B antigens. 3.because their plasma contains both A and B antibodies. 4.and are also called the universal recipients because they can receive any type of blood.
In males, the labioscrotal swellings form the
A. scrotum and ventral side of the penis. B. scrotum and dorsal side of the penis. C. scrotum and root of the penis. D. scrotum. E. scrotum and testes.