#Question id: 28162
#Unit 13. Methods in Biology
Which of the following method for the purification of plant DNA, which forms an insoluble complex with nucleic acids.
#Question id: 710
#Unit 1. Molecules and their Interaction Relevant to Biology
Which is the correct explanation for the effect of the pH changes on the conformations of poly(Glu) and poly(Lys)
#Question id: 10978
#Unit 7. System Physiology – Animal
Which of the following events occurs at the end of the period of ventricular ejection?
#Question id: 1083
#Unit 4. Cell Communication and Cell Signaling
When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as which part of the signal pathway?
#Question id: 11909
#Unit 8. Inheritance Biology
In the birds, butterflies and some reptiles, sex is still chromosomal, but the male that possesses two identical sex chromosome while the female has two different sex chromosome, in this case which one is determining sex?