A typical mitochondrion can be thought of as a cylinder 1 µm in diameter and 2 µm in length. If the pH in the matrix is 7.8, how many protons are contained in the mitochondrial matrix?

TLS Online TPP Program

#Question id: 2168

#Unit 2. Cellular Organization

Classes of membrane transport proteins include all of the following EXCEPT:

TLS Online TPP Program

#Question id: 2169

#Unit 2. Cellular Organization

In a laboratory activity, red-labeled glucose, blue-labeled water, and green-labeled ethanol are added to a solution placed over an artificial, pure phospholipid membrane.  Which colors will be observed on the other side of the membrane after 10 minutes?

TLS Online TPP Program

#Question id: 2170

#Unit 2. Cellular Organization

How does uniport transport compare with simple diffusion?

TLS Online TPP Program

#Question id: 2171

#Unit 2. Cellular Organization

Aquaporins are

TLS Online TPP Program

#Question id: 2172

#Unit 2. Cellular Organization

The osmotic potential of a hypotonic solution should cause an animal cell to _____, but with frog oocytes prevent this effect by _____.

TLS Online TPP Program

#Question id: 2173

#Unit 2. Cellular Organization

Which of the four classes of ATP-powered pumps share overall similarity: several subunits, the same general organization, and a similar function as H+ transporters?