Active transport involves all of the following except the

A) diffusion of solute through the lipid bilayer of a membrane.
B) pumping of solutes across the membrane.
C) hydrolysis of ATP.
D) transport of solute against a concentration gradient.
E) specific transport protein in the membrane.


Ans: A) diffusion of solute through the lipid bilayer of a membrane.

Biology & Microbiology

You might also like to view...

Which of the following properties of guard cells allow them to open and close a pore? Select all correct choices

A. radially organized microfibrils B. tangentially organized microfibrils C. two guard cells being anchored together at their ends D. the ability of guard cells to change their ion concentration E. the lack of cytoplasm in guard cells

Biology & Microbiology

At ________, the advancing edge of one plate will slide underneath an adjacent plate

a. oceanic ridges b. hot spots c. faults d. boundaries e. trenches

Biology & Microbiology

Global warming is accelerating the growth of coral reefs

Indicate whether the statement is true or false

Biology & Microbiology

_____ is an example of a proto-oncogene

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology