Practice Questions

TLS Online TPP Program

#Question id: 2116

When a cell is in equilibrium with its environment, which of the following processes occurs for substances that can diffuse through the plasma membrane?

#Unit 2. Cellular Organization

There is directed movement of substances into and out of the cell.
There is random movement of substances into and out of the cell.
There is no movement of substances into or out of the cell.
All movement of molecules across the plasma membrane occurs by active transport.

More Questions

TLS Online TPP Program

#Question id: 540

#Unit 1. Molecules and their Interaction Relevant to Biology

During strenuous exercise, the NADH formed in the glyceraldehyde 3-phosphate dehydrogenase reaction in skeletal muscle must be reoxidized to NAD+ if glycolysis is to continue. The most important reaction involved in the reoxidation of NADH is:

TLS Online TPP Program

#Question id: 2342

#Unit 2. Cellular Organization

Which of the following is a requirement for osmosis to occur?

TLS Online TPP Program

#Question id: 2304

#Unit 2. Cellular Organization

Which of the following is generally absent from animal cells?

TLS Online TPP Program

#Question id: 16489

#Unit 12. Applied Biology

The beginning of animal tissue culture can be traced when Arnold showed that