CHAPTER 2

Chemical basis of life

24 cards·by ebreed34

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anything that takes up space

matter

simplest type of matter with chemical properties

element

smallest particles of an element

atom

# of protons

atomic number

atoms with the same atomic number but different weight

isotope

2 or more atoms chemically combine

molecule

2 or more atoms of different elements combine

compound

atom thats electrically charged

ion

scale for hydrogen

ph scale

hydroxide

base

protons , neutrons , electrons

3 types of subatomic particles

Ionic , covalent , hydrogen bonds

3 types of bond

< 7 on ph scale

acid

>7 on ph scale

base

7 on ph scale

neutral

carbohydrates , proteins , lipids , nucleic acid

organic compounds

amino acids, enzymes , structural components , receptors

proteins

triglcyerides , phospholipids , steriods

3 types of lipids

speed up chemical reactions

enzymes

disacharrides , monosachharides. polysachherides

building blocks of carbohydrates

DNA and RNA

building blocks of nucleic acids

Double helix and hold genetic makeup

DNA

Ribose nucleic acid

RNA

Biylayer of phospholipids and proteins embedded in it

cell membrane