#Question id: 1986
#Unit 4. Cell Communication and Cell Signaling
The following events occur when a mammalian immune system first encounters a pathogen. Which shows the correct sequence in which they occur?
I. Pathogen is destroyed.
II. Lymphocytes secrete antibodies.
III. Antigenic determinants from pathogen bind to antigen receptors on lymphocytes.
IV. Lymphocytes specific to antigenic determinants from pathogen become numerous.
V. Only memory cells remain.
#Question id: 26449
#Unit 3. Fundamental Processes
#Question id: 2066
#Unit 2. Cellular Organization
Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?
#Question id: 11680
#Unit 7. System Physiology – Animal
After drinking alcoholic beverages, increased urine excretion is the result of ________.
#Question id: 1566
#Unit 4. Cell Communication and Cell Signaling
Histamines trigger dilation of nearby blood vessels, and increase in their permeability. Which of the signs of inflammation are therefore associated with histamine release?