Matter that does not have a constant volume nor a fixed shape is a _____.

Hydrogen bonds are strong attractions between nonpolar covalent molecules.

Simple diffusion requires:

Peroxisomes

The unit of DNA that specifies a certain amino acid is called a ________, the same unit of mRNA is called a ________, which, during protein synthesis, is matched by the ________ of tRNA.

Most fat in our adipose tissue is in the form of:

Molecules that do not readily interact with water are called

The “r” in rRNA stands for

Which two organ systems work to maintain pH balance in the body?

As each codon arrives at the active site of a ribosome, it attracts another molecule containing the anticodon. This molecule is called