#Question id: 8854
#Unit 9. Diversity of Life Forms
Which cells in a sponge are primarily responsible for trapping and removing food particles from circulating water?
#Question id: 846
#Unit 1. Molecules and their Interaction Relevant to Biology
The maintenance of the steady-state collection of active cellular proteins required under a particular set of conditions, called ______.
#Question id: 1098
#Unit 4. Cell Communication and Cell Signaling
Which of the following is the most plausible explanation for why an animal cell would be unable to reduce the Ca2+ concentration in its cytosol compared with the extracellular fluid?
#Question id: 1286
#Unit 4. Cell Communication and Cell Signaling
Syndecans are cell-surface proteoglycans that:
a. bind to collagens.
b. bind to multi-adhesive matrix proteins.
c. anchor cells to the extracellular matrix.
#Question id: 11473
#Unit 7. System Physiology – Animal
Lateral inhibition via horizontal cells in the mammalian retina ________.