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Steroids are lipids that include cholesterol and its derivatives, which in the human body include _____.

Sucrose is an example of a _____. It consists of one glucose monomer covalently bound to one fructose monomer.

A(n) _____ section of a cylindrical structure is neither parallel with nor perpendicular to the long axis of that structure.

DNA and RNA are polymers constructed from nucleotides. The basic structure of a nucleotide consists of a _____.

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Organs are discrete structures consisting of _____ organized toward a common function.

Electrons in the _____, or valence shell, determine the chemical properties of an atom.

All proteins consist of chains of amino acids. The basic structure of an amino acid includes a _____.

The _____ structure of a protein consists of the three-dimensional shape of a protein consisting of a single peptide chain.

Buffers are substances that _____ the pH of a solution by reacting with excess hydrogen or hydroxide ions in solution.