In order to observe FRET two flurophores must be in close proximity of about 10nm distance. Given below are few flurorescent molecules.

1. YFP

2. RFP

3. GFP

4. CFP

Which option below contains correct combination of flurorescent molecules that can give FRET?

#Question id: 11053

#Unit 10. Ecological Principles

The key difference between a territory and a home range is

#Question id: 11054

#Unit 10. Ecological Principles

In red grouse populations on the grasslands, many males do not acquire territories. Which of the following is least likely to be a valid hypothesis about these male grouse?

#Question id: 11055

#Unit 10. Ecological Principles

Poison arrow frogs have brightly coloured skin patterns of blue, orange, yellow and red. This skin adornment is an example of what kind of defense against predation?

#Question id: 11056

#Unit 10. Ecological Principles

The "dead-leaf" butterfly is aptly named. This is an example of what kind of defense against predation?

#Question id: 11057

#Unit 10. Ecological Principles

Bombardier beetles release an explosive mixture of quinones and hydrogen peroxide from glands at the end of their abdomen when disturbed by grasshopper mice and other predators. This is an example of what kind of defense against predation?

#Question id: 11058

#Unit 10. Ecological Principles

The pufferfish, a common marine fish, has extensive spines that extend outward when it swallows water, becoming several times its normal size. This is an example of what kind of defense against predation?