UNIT+1-+CHEM-BIOCHEM

=__Objective__= To successfully understand the basics of chemistry, and its role in biology.

=__Introduction to Biochemistry__= Biochemistry is the study of the chemical processes in living organisms. it deals with the structure and function of cellular components, such as Proteins, Carbohydrates, Lipids, Nucleic Acids, and other biomolecules.

Glossary of Terms
Matter- Anything that occupies space and has mass.

Element- a substance that cannot be broken down to other substances by ordinary chemical means.

Coumpound- A substance containing two or more elements in a fixed ratio.

Atom-The smallest unit of matter that still retains the properties of an element.

Proton- a subatomic particle with a single positive charge.

Electron-A subatomic particle with a single negative charge.

Neutron- A subatomic particle that is charged electrically neutral.

Chemical Bond- an attraction between two atams due to the sharing of the electrons of the outer shell.

Covalent Bond- when two atoms share one or more pairs of outershell electrons.

Molecule- Two or more atome held together by covalent bonds.

Double Bond- A type of covalent bond in which two atoms share two pairs of electrons.

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