#Question id: 4793
#Unit 8. Inheritance Biology
Hypophosphatemia is caused by an X-linked dominant gene in humans. Normal man marries with Hypophosphatemia woman whose father is normal. What will be observation in their child is correct?
a. All daughters affected b. half of their daughters affected
c. All sons affected d. half of their son’s affected
#Question id: 12539
#Unit 10. Ecological Principles
#Question id: 16086
#Unit 7. System Physiology – Animal
#Question id: 1224
#Unit 4. Cell Communication and Cell Signaling
Put the steps of the process of signal transduction in the order they occur.
1. A conformational change in the signal-receptor complex activates an enzyme.
2. Protein kinases are activated.
3. A signal molecule binds to a receptor.
4. Target proteins are phosphorylated.
5. Second messenger molecules are released.
#Question id: 3296
#Unit 11. Evolution and Behavior
Some beetles and flies have antler-like structures on their heads, much like male deer. The existence of antlers in beetle, fly, and deer species with strong male-male competition is an example of