Practice Questions

TLS Online TPP Program

#Question id: 2117

Which of the following statements correctly describes osmosis?

#Unit 2. Cellular Organization

Osmosis only takes place in red blood cells.
Osmosis is an energy-demanding or "active" process.
In osmosis, water moves across a membrane from areas of lower solute concentration to areas of higher solute concentration.
In osmosis, solutes move across a membrane from areas of lower water concentration to areas of higher water concentration.

More Questions

TLS Online TPP Program

#Question id: 4322

#Unit 3. Fundamental Processes

If a particular operon encodes enzymes for making an essential amino acid and is regulated like the trp operon, then

TLS Online TPP Program

#Question id: 4323

#Unit 3. Fundamental Processes

Muscle cells differ from nerve cells mainly because they

TLS Online TPP Program

#Question id: 4324

#Unit 3. Fundamental Processes

The functioning of enhancers is an example of

TLS Online TPP Program

#Question id: 4325

#Unit 3. Fundamental Processes

Cell differentiation always involves

TLS Online TPP Program

#Question id: 4326

#Unit 3. Fundamental Processes

Which of the following is an example of post-transcriptional control of gene expression?

TLS Online TPP Program

#Question id: 4327

#Unit 3. Fundamental Processes

What would occur if the repressor of an inducible operon were mutated so it could not bind the operator?