Answer the following statements true (T) or false (F)

1. Facilitated diffusion is required for the movement of Na+ out of the cell.
2. The Na+/K+-ATPase pump is a ligand-gated ion channel.
3. A macrophage (immune cell) consuming a bacteria is best described as phagocytosis.
4. Ion gradients across the membrane drive numerous cellular functions.


1. FALSE
2. FALSE
3. TRUE
4. TRUE

Biology & Microbiology

You might also like to view...

High blood pressure in mammals reflexively causes a decrease in heart rate, which results in lowered blood pressure. This is a __________ because ____________

A. negative feedback loop; response to the signal results in a decrease of that signal B. negative feedback loop; response to the signal results in an increase of that signal C. positive feedback loop; response to the signal results in a decrease of that signal D. postive feedback loop; response to the signal results in an increase of that signal E. None of the above are correct.

Biology & Microbiology

At rest, a cell has a ________ charge inside of the cell and a ________ charge outside of the cell.

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

Biology & Microbiology

Which term refers to plants that typically grow for many years?

a. perennials b. annuals c. monocots d. biennials e. eudicots

Biology & Microbiology

What is the abbreviated name of the enzyme ribulose biphosphate carboxylase oxygenase that catalyzes the reaction between carbon dioxide and ribulose bisphosphate?

What will be an ideal response?

Biology & Microbiology