Osmosis is the diffusion of water across a selective membrane in response to one or more ______.

When bound to ligand, this type of receptor changes conformation to allow ions to diffuse across the membrane:

Which definition best describes diffusion?

Suppose that Sam Industries has annual sales of $2 million, cost of goods sold of $950,000, average inventories of $45,000, and average accounts receivable of $90,000. Assuming that all of Sam’s sales are on credit, what will be the firm’s operating cycle?

Your company is considering a new project that will require $100,000 of new equipment at the start of the project. The equipment will have a depreciable life of 10 years and will be depreciated to a book value of $5,000 using straight-line depreciation. The cost of capital is 14 percent, and the firm’s tax rate is 30 percent. Estimate the present value of the tax benefits from depreciation.

Protein kinases are enzymes that…

This organelle produces food through photosynthesis and contains the green pigment chlorophyl.

A cell that has the same solute concentration as its environment is called.

Plants, fungi and bacterial all have this rigid structure that provides support:

Membranes inside a eukaryotic cell are called what?