The paired and identical copies of a chromosome are called centromeres.

A tRNA molecule carries an anticodon which is complementary to a specific mRNA codon.

Microtubules have which of the following functions?

A(n) ________ solution has more hydroxice ions than hydrogen ions; has pH above 7

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: