Phase contrast, dark field microscopy are all light microscopy. These microscopes have their limit of resolution upto

#Question id: 1056

#4. Cell Communication and Cell Signaling

During penetration of E. coli by the T4 phage

#Question id: 10613

#10. Ecological Principles

Life-history characteristics associated with K-selected organisms include

#Question id: 11384

#10. Ecological Principles

Two islands, P and Q, are similar in habitat and other features. They are 100 and 200 km2 in size respectively, but have the same number of species. Which of the following statements can independently explain this observation?

(i) P is closer to the mainland than Q

(ii) P is further away from the mainland than Q

(iii) P has higher speciation rates than Q

(iv) P has lower speciation rates than Q

#Question id: 11190

#7. System Physiology – Animal

For a neuron with an initial membrane potential at -70 mV, an increase in the movement of potassium ions out of that neuron's cytoplasm would result in the ________.

#Question id: 10952

#7. System Physiology – Animal

Which of the following blood units carries the least risks for inducing an immediate transfusion reaction into a B+ (B, rhesus positive) recipient?