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
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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.
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).
Which term refers to plants that typically grow for many years?
a. perennials b. annuals c. monocots d. biennials e. eudicots
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?