#Question id: 28306
#Unit 5. Developmental Biology
sperm bind actively to the membranes of the oviduct cells in isthmus and broken when the sperm become capacitated, this event is done with____?
#Question id: 28271
#Unit 5. Developmental Biology
Kartagener triad syndrome is caused due to the___
#Question id: 1127
#Unit 4. Cell Communication and Cell Signaling
Which of the following steps does not occur after acetylcholine binds to the muscarinic acetylcholine receptor in heart muscle cells?
#Question id: 5567
#Unit 5. Developmental Biology
The cortical reaction of sea urchin eggs functions directly in ________.
#Question id: 11273
#Unit 10. Ecological Principles
Use the following diagram of a hypothetical food web to answer the question. The arrows represent the transfer of energy between the various trophic levels. Which letter represents an organism that could only be a primary consumer and secondary carnivores respectively?