A pure culture in exponential growth phase has a bacterial concentration of 6.4 x 10^8 cells/ml. If the bacterium has a generation time of 1 h, how long ago was the cell concentration 8.0 x 10^7 cells/ml?

TLS Online TPP Program

#Question id: 2184

#Unit 2. Cellular Organization

Transepithelial transport requires a _____ cell layer.

TLS Online TPP Program

#Question id: 2185

#Unit 2. Cellular Organization

Which amino acids would most likely reside in the membrane-anchoring domain of a membrane-embedded protein?

TLS Online TPP Program

#Question id: 2186

#Unit 2. Cellular Organization

Of the four classes of cellular macromolecules, which one is not a component of cell membranes?

TLS Online TPP Program

#Question id: 2187

#Unit 2. Cellular Organization

How do membranes function as a locus of biochemical reactions?

TLS Online TPP Program

#Question id: 2188

#Unit 2. Cellular Organization

The relative proportion (by weight) of lipid and protein in a membrane:

TLS Online TPP Program

#Question id: 2189

#Unit 2. Cellular Organization

Which of the following is not true of membrane phosphoglycerides?