Which of the following is an essential element of plasmids used as cloning vectors?

a. a centromere

b. a telomere

c. an origin of replication

d. a drug resistance gene

#Question id: 29569

#Unit 6. System Physiology – Plant

Which of the following class of affector molecule released by pathogen class Aphids 

#Question id: 1442

#Unit 4. Cell Communication and Cell Signaling

Transgenic mice that express an activated oncogene like rasD under the control of the TetOFF system are likely to undergo which of the following events when tetracycline is given?

#Question id: 3903

#Unit 3. Fundamental Processes

The type of RNA that is least stable in cells is __.

#Question id: 10694

#Unit 10. Ecological Principles

Which of the following is characteristic of parasitoid/ predators?

a) consumer usually larger than resource

b) Consumer requires one host for complete development.

c) Habitat independent

d) Consumer takes long time to kill host

e) Consumer never kills their host

f) Host is free living

Which of the following is feature of parasitoid?

#Question id: 7003

#Unit 5. Developmental Biology

What structural adaptation in chickens allows them to lay their eggs in arid environments rather than in water?