#Question id: 11538
#Unit 7. System Physiology – Animal
Prostaglandins are local regulators whose chemical structure is derived from ________.
#Question id: 5018
#Unit 11. Evolution and Behavior
Which event is nearest in time to the end of the period known as snowball Earth?
#Question id: 9217
#Unit 9. Diversity of Life Forms
Which of the following conditions is the most likely indicator of a population in an extinction vortex?
#Question id: 1398
#Unit 4. Cell Communication and Cell Signaling
Which of the following properties is (are) characteristic of a benign tumor?
a. well differentiated b. localized to tissue of origin c. metastatic
d. promotes angiogenesis e. surrounded by a fibrous capsule
#Question id: 1047
#Unit 4. Cell Communication and Cell Signaling
A virion is a(n)