#Question id: 3430
#Unit 11. Evolution and Behavior
The proximate causes of behavior are interactions with the environment, but behavior is ultimately shaped by
#Question id: 1359
#Unit 4. Cell Communication and Cell Signaling
Cells of the heart must contract in synchrony to produce an effective heart beat. The electrical signal telling each cell to contract must reach every cell of the heart at the same time. What kind of cell-to-cell junctions would you expect to find in heart tissue?
#Question id: 11579
#Unit 7. System Physiology – Animal
In response to stress, the adrenal gland promotes the synthesis of glucose from noncarbohydrate substrates via the action of the steroid hormone ________.
#Question id: 27407
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 28388
#Unit 5. Developmental Biology
Which of the following event is not seen during amphibian gastrulation development?