Choose the correct description of the Na+/K+ pump.

It is an example of primary active transport.
It generates a positive membrane potential.
It actively transports 2 potassium ions out of the cell.
It actively transports 3 sodium ions into the cell.


It is an example of primary active transport.

Biology & Microbiology

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A condition in which both copies of a chromosome are inherited from one parent is called ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

Which of the following is NOT defined as a part of

the vertebrate central nervous system? a. brain b. cerebellum c. spinal cord d. thoracic nerves e. neuroglia

Biology & Microbiology

The alpha subunit can remain separated from the beta and gamma subunits as long as the ligand remains bound to the membrane bound protein.

Indicate whether the statement is true or false.

Biology & Microbiology

The size and shape of a finch's beak correlates with its ________.

A. size B. choice of food C. choice of mates D. habitat

Biology & Microbiology