Mutations can be spontaneous or caused by mutagens.

Facilitated diffusion across a biological membrane requires ________ and moves a substance from ________ concentration to _______concentration.

The differences between DNA and RNA include the following:

If you were cooking a ________, you would not need to baste it while it cooked.

Because chicken is a lean and tender meat, it is appropriate to cook it in fat by ________ it.

In fricassee, chicken is ________.

The true meaning of the term teriyaki is __________.

What has a large, flexible tail, four pairs of legs claws, and is a highly prized shellfish all around the world?

Which set of words completes the following sentence correctly? _________ fish is especially well suited to ________ .

DNA is made of two chains that twist about one another in the shape of a ___________.