Honors Biology: Water Properties, Carbon Bonding, and Macromolecular Chemistry (copy)

What are the five critical elements of life represented by the acronym CHONP?

Carbon (C), Hydrogen (H), Oxygen (O), Nitrogen (N), and Phosphorus (P).

Why is water considered the universal biological solvent?

Water ($H_2O$) is necessary for all known metabolic reactions, cellular structural integrity, and temperature stabilization.

What defines a hydrophilic substance?

Substances that are polar and attract water, interacting favorably with it.

Define monomer in the context of macromolecules.

A small, single molecular subunit that can bind chemically to other identical or similar molecules.

What is a polymer?

A large, complex macromolecule constructed from repeating chains of covalently linked monomers.

Describe the significance of carbon in biological systems.

Carbon is the central structural backbone for all biological organic molecules due to its tetravalent bonding capacity.

What is the empirical formula ratio of carbohydrates?

The typical empirical stoichiometric ratio of elements in carbohydrates is $C_n(H_2O)_n$, approximately $1:2:1$.

Characterize the structural form of monosaccharides in solution.

Monosaccharides often cyclize into stable carbon ring structures.

List the types of chemical bonds important in living systems.

Covalent bonds (single, double, triple), hydrogen bonds, ionic attractions, and hydrophobic interactions.

How does water exhibit polarity?

Water molecules have a positive charge on hydrogen atoms and a negative charge on the oxygen atom, creating a dipole.