#Question id: 230
#Unit 1. Molecules and their Interaction Relevant to Biology
Vitamin D helps control the utilization of which ion?
#Question id: 29587
#Unit 6. System Physiology – Plant
#Question id: 3339
#Unit 11. Evolution and Behavior
In a plant species, flower color locus either homozygous or heterozygous with genotype RR-red, Rr- pink and rr- white. The Proportional of pink flower in generation 0 is .50. What is the level of remaining pink flower in a third generation of repeated selfing?
#Question id: 24522
#Unit 11. Evolution and Behavior
#Question id: 1201
#Unit 4. Cell Communication and Cell Signaling
Epinephrine binds to the same type of receptors in liver, fat, and smooth muscle cells. Yet in liver, glycogen breaks down; in fat, triacylglycerols break down; and smooth muscle cells relax. How can the same hormone produce three such different responses?