During the mechanochemical cycle of kinesin, the forward displacement of the motor domain is driven by: 

a. Dissociation of ADP from trailing head 

b. Binding of ATP in the leading head

c. Dissociation of ADP from leading head

d. Binding of ATP in the trailing head 

#Question id: 2704

#Unit 2. Cellular Organization

Which of the following regions promote histone – DNA association?

#Question id: 9584

#Unit 6. System Physiology – Plant

In given Relationship of oxygen production to flash energy, the first evidence for the interaction between the antenna pigments and the reaction centre, What conclusion can be drawn about based on graph;

a.) several hundred pigments are associated with each reaction centre and that each reaction centre must operate four times to produce 1 molecule of oxygen—hence the value of 2500 chlorophylls per O2

b.) low light intensity of the curve, an increase in the number of photons stimulates a proportional increase in oxygen evolution. Thus, the slope of the curve measures the quantum yield for oxygen production

c.) The quantum yield for a particular process can range from 0 →if that process does not respond to light to 1.0→if every photon absorbed contributes to the process by forming a product

d.) O2 require more than a single photochemical event to be formed, and therefore have a lower quantum yield of formation than the photochemical quantum yield. It takes about ten photons to produce one molecule of O2, so the quantum yield of O2 production is about 0.1

Which of the following statements would be correct relates with graph?

#Question id: 5803

#Unit 8. Inheritance Biology

The mutation which causes sickle cell anemia in humans:

#Question id: 27569

#Unit 1. Molecules and their Interaction Relevant to Biology

#Question id: 15297

#Unit 5. Developmental Biology