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17 Cards in this Set

  • Front
  • Back
Elements Of Lipids
CHO
carbon, hydrogen, oxygen
Ratio Of Carbon to Hydrogen
Lipids do not have a 1:2 carbon to hydrogen ratio
Examples of Lipids
fats, oils, and waxes
Energy per gram
Carbohydrates release 4 calories/1 gram
Lipids release 9 calories/1 gram
Functions Of Lipids
Stored Energy
Cushion Organs
Provide Insulation
Are a component of the cell membrane
Ear wax traps dirt, microbes, and dust
Plants leaves have a waxy cuticle layer for protection and to prevent water loss
Skin produces oils in the sebaceous layer to prevent from cracking
Lipid Structure
Contain 1 glycerol and 3 fatty acids
Elements of Protein
CHON
carbon, hydrogen, oxygen, and nitrogen
Proteins are macromolecules
macromolecules- large molecules made up of chains of smaller molecules
Proteins are made of amino acids
amino acids- the simplest unit of proteins; there are 20 essential amino acids in living organisms
Amino Acids
The 20 amino acids are similar in structure except for something called the "R-group". Each structure has a hydrogen group, an amino group, and a carboxyl group that are identical. The "R-group" is different for each of the 20 amino acids.
Dehydration Synthesis
amino acids are bonded together by peptide bonds to form proteins. when two amino acids combine a water molecule is released.
Function of Protein
to build muscles
growth and repair
component of cell membrane
used to make enzymes
hormones
antibodies
hemoglobin
neurotransmitters
Organization of proteins
amino acids (simplest)
dieptide (two amino acids bonded together)
polypeptide (many amino acids bonded together)
protein (many polypeptides bonded together and held together by hydrogen bonds)
Elements of Nucleic Acids
CHONPS
carbons, hydrogen, oxygen, nitrogen, phosphorous, and sulfur
Nucleic Acids
DNA- deoxyribonucleic acid
RNA- ribonucleic acid
Function of Nucleic Acids
to hold and pass on the genetic information of the cell
Shape of DNA
arranged in the form of a double helix and ultimately make up the chromosome