In Himalayan rabbits, the ears, feet, and muzzle are pigmented while the rest of the body is white. This is because they express an enzyme variant that is ineffective at body temperature but functions at the lower temperatures experienced by cells of the extremities. This is an example of:

TLS Online TPP Program

#Question id: 2257

#Unit 2. Cellular Organization

Match the following property (Column I) with the transport mechanism (Column II).

Column I	Column II
A. Facilitated Transport	i. Requires specific protein
B. Active Transport	ii. Solute transported against its gradient
C. Cotransport	iii. Coupled to ATP hydrolysis
	iv. Driven by movement of a cotransported ion down its gradient

TLS Online TPP Program

#Question id: 2258

#Unit 2. Cellular Organization

The arrangement of microtubules in eukaryotic flagella is referred to as

TLS Online TPP Program

#Question id: 2259

#Unit 2. Cellular Organization

Which of the following is not a characteristic of prokaryotes?

TLS Online TPP Program

#Question id: 2260

#Unit 2. Cellular Organization

The term "nuclear envelope" is more correct than the term "nuclear membrane" because

TLS Online TPP Program

#Question id: 2261

#Unit 2. Cellular Organization

Oxidative metabolism is carried out ____ of mitochondria.

TLS Online TPP Program

#Question id: 2262

#Unit 2. Cellular Organization

Ribosomes are made up of ____ subunits.