In DNA, A is always paired with T and C is always paired with _____.

Essential, when referencing amino acids, means we can’t make them so we must get them.

Identify the organelle labeled as number 3.

If an enzyme becomes too hot, it is ______.

Vitamins are a macronutrient.

Does facilitated diffusion require energy?

Enzyme activity is independent of the environment in which they function.

Do plant cells have cell walls?

Nutrients allow?

Which is an element of life?