If you were a very thirsty cell, which process would you use to take in some nutrients secreted by one of your neighbors?
A. receptor-mediated endocytosis
B. exocytosis
C. phagocytosis
D. pinocytosis
Answer: D
You might also like to view...
What happens when the concentration of a solute is equal on both sides of a plasma membrane?
A. the particles will begin to move against the concentration gradient B. the net movement of particles through the plasma membrane will stop C. the cell will continue to grow until it finally bursts D. the cell will begin to shrink because the water levels are not equal
The presence of genes encoding RubisCO enzymes in Methanocaldococcus jannaschii and a species of Pyrococcus indicates that the organisms
A) incorporate carbon dioxide via the acetyl-CoA pathway. B) incorporate carbon dioxide via the Calvin cycle. C) incorporate carbon dioxide via the reverse citric acid cycle. D) utilize molecular hydrogen as an electron donor in chemolithotrophic metabolism.
Glycerol forms the backbone of
a. triglycerides. b. polysaccharides and nucleic acids. c. nucleic acids. d. polypeptides. e. triglycerides and phospholipids.
In a certain bird species, clutch size (the number of
eggs laid by a female at one time) ranges from four to eight, and the most frequent clutch size is six. This phenomenon is an example of a. sexual selection. b. stabilizing selection. c. disruptive selection. d. directional selection. e. divergent selection.