Lab: Diffusion Across a Semi-permeable Membrane — Unit test Answers

Which structure will form when a primitive cell engulfs an aerobic bacterium?

A patient is in need of hydration. Which type of solution are the patient’s cells most likely in?

Consider the plant cells in the image below.Which is a function of the cell structure that is labeled X?

What is shown in the image?

An animal cell (left) and a plant cell (right) are shown.Which organelle, labeled X in the diagram, is found in both plant and animal cells?

The concentration of sodium on the inside of the cell is 20 mM. The outside of the cell has a sodium concentration of 115 mM. Which mechanism of ion uptake would best move sodium from the inside of the cell to the outside?