Scientific Method and Chemistry

Each atom has the same number of protons and _____. The _____ located farther away from the nucleus have _____ energy. They also have _____ mass than protons.

Atomic number = __________

Atomic mass = __________

electrons

electrons

more

less

number of protons

number of protons and neutrons

What are isotopes?

atom of a chemical element that has same number of protons but different number of neutrons

_____ is the loss of an electron but _____ is a gain of electron

oxidation

reduction

Organic compounds are formed by _____. Large compounds are built up from smaller simpler molecules called _____ and those can bind together to form complex molecules called _____. Disaccharides consist of two single sugars linked together by _____ _____. Ex. _____ and _____

polymerization

monomers

polymers

glycosidic linkage

lactose

sucrose

_____ fatty acid chains are straight while _____ fatty acid chains have a kink/bend. Phospholipids are composed of two _____ _____, _____, and a _____ _____. Sterols are ring shaped lipids. Prostaglandins are derived from _____ fatty acids. Prostaglandin E2 includes _____ and _____ groups

saturated

unsaturated

fatty acids

glycerol

phosphate group

unsaturated

hydroxyl

carboxyl

Protein structures:

Primary: _____ of amino acids

Secondary: _____ and _____ due to _____ bonds between carboxyl and amino groups of non adjacent amino acid. _____ are not involved

Tertiary: _____ bridges, _____, or _____ _____ of r groups

Quaternary: protein consisting of more than one _____ _____ _____

sequence

folding

coiling

hydrogen

R groups

disulfide

ionic

hydrogen bonding

amino acid chain

The _____ sire is where the reactant binds to the enzyme

active