Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
36 Cards in this Set
- Front
- Back
|
element
|
can not be split into simpler substance
|
|
|
atom
|
makes up each element
smallest unit of matter |
|
|
ion
|
atom or molecule with positive or negative charge
|
|
|
molecule
|
2 or more atoms sharing electrons
|
|
|
compound
|
contains atoms of 2 or more different elements
|
|
|
cell
|
cytoplasm
nucleus plasma membrane |
|
|
chemicals
|
organic or inorganic
|
|
|
organic compounds
|
contain both carbon and hydrogen
usually called non-electrolytes |
|
|
types of organic compounds
|
1. carbohydrates
2. lipids 3. proteins 4. nucleic acids |
|
|
carbohydrates
|
1. contain carbon, hydrogen, and oxygen
2. water soluble 3. glucose, sugar, and plant starch |
|
|
lipids
|
1. contain carbon, hydrogen and oxygen
2. insoluble in water but soluble in organic substances |
|
|
simplest form of lipids
|
fatty acids
|
|
|
proteins
|
1.contain carbon, hydrogen, oxygen and nitrogen
|
|
|
building blocks for proteins
|
amino acids
|
|
|
nucleic acids
|
contain carbon, hydrogen, oxygen, nitrogen and phosphorus
|
|
|
building blocks for nucleic acids
|
nucleotides
|
|
|
2 types of nucleic acids
|
DNA & RNA
|
|
|
ribonucleic acid RNA
|
contains sugar ribose
|
|
|
deoxyribonucleic acid DNA
|
contain sugar deoxyribose
|
|
|
ATP
|
adeno triphosphate
energy currency of living systems/ power cell activates "endergonic reactions" |
|
|
carbohydrate functions
|
provide energy and cell structure
|
|
|
lipids function
|
provide energy and cell structure
|
|
|
function for fat
|
provide insulation beneath skin
|
|
|
function for phospholipid
|
structural component in cell membrane
|
|
|
protein function
|
energy to drive muscle contractions
cell structure for cell body provide enzymes to speed up biochemical reactions |
|
|
nucleic acid function
|
store info for protein synthesis and control cell activities
|
|
|
inorganic substances
|
called electrolytes
|
|
|
H2O
|
most abundant in human
|
|
|
function of water
|
transport chemicals and regulate body temperature
|
|
|
what does water transport
|
blood and waste
|
|
|
oxygen
|
necessary for cell survival
|
|
|
function of oxygen
|
release of energy from glucose
|
|
|
CO2
|
produced as waste
|
|
|
function of CO2
|
react with water to form carbonic acid
|
|
|
inorganic salts sources
|
sodium, chloride, potassium, calcium, magnesium, phosphate, carbonate, bicarbonate, sulfate
|
|
|
function of organic salts
|
maintain pH balance
|
