Which membrane proteins move specific substances across a membrane, typically by forming a channel?
a. transport
b. receptor
c. recognition
d. adhesion
e. enzymes
a
You might also like to view...
The light-independent reactions of plants function to make organic molecules using carbon dioxide as a carbon source. What is the electron source that helps reduce carbon dioxide to sugars and other organic molecules?
A) NADH B) NADPH C) ATP D) electrons from oxygen
Does Andrew have a reason to be concerned about developing Huntington's Disease?
a. Yes, absolutely. b. No, he has no reason to be concerned c. Perhaps, but the likelihood is remote. d. Not enough information is given
Which structure(s) delivers the blood that contains regulatory hormones to the anterior pituitary gland?
A) secondary capillary plexus B) inferior hypophyseal artery C) portal vessels D) superior hypophyseal artery E) hypophyseal veins
Acidosis is characterized by a(n):
A) increase in hydrogen ions and a decrease in pH. B) decrease in hydrogen ions and an increase in pH. C) increase in hydrogen ions and an increase in pH. D) decrease in hydrogen ions and a decrease in pH.