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50 Cards in this Set

  • Front
  • Back

Four types of Macromolecules

Carbohydrates


Lipids


Proteins


Nucleic Acids

Amount of organic molecules discovered in bacteria

Over 5000

Amount of organic molecules discovered in animals

Over 10,000

Six most abundant elements of life

Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfure

Functional group

Specific combination of atoms bonded in a certain way that gives the particular reactive properties

Isomers

Molecules w/ identical molecular formulas, but different atomic arrangement/ configuration/structure.

3 properties that result in great diversity

Variable bonding of carbon


Addition of functional groups


Formation of isomers

Dehydration reaction

Reaction where molecules loses H2O

Hydrolysis

Breaking bonds with the addition of H2O

Disacc. + H2O --------->

Mono + Mono

Carbohydrates

Usually have a 1:2:1 Carbon, Hydrogen, Oxygen ratio

Monosaccharides

Ready, fast energy. Single simple sugars



Fructose

In fruits

Galactose

In milk

Dissaccharides

2 monosaccharides bonded together

Glucose + Glucose =

Maltose + H2O

Sucrose

Table Sugar

Lactose

Milk

Polysaccharides

Multiple monosaccharides bonded together; Energy storage

Amylose

Unbranched

Amylopectine

Branched

Glycogen

Stored in liver; Highly branched and complex

Cellulose

Most common poly in the world. In cell walls

Chitin

Found in arthropods

Lipids

Insoluble in water; Non polar

Fats and Oils

Triglycerides; Long term energy storage

Saturated fats

No double bonds; Solid room temp

Unsaturated fats

Some double bonds; Forms kinks; Liquid at room temp

Carbohydrates vs Fat energy storage

Fats store more energy in bonds

Phospholipids

Found in cell membrane

Phospholipid Head

Hydrophyllic

Phospholipid Tail

Hydrophobic

Steroids

4 fused rings

Cholesterol

Found in cell membranes and Nerve fibers.

Waxes

Long chain fatty acids and long chain alcohol

Proteins

50% of cell weight/structure

Protein functions

Metabolism, Support, Transport, Defense, Regulation, Motion

Primary Structure (Proteins)

Sequence of amino acids

Secondary structure (Proteins)

Helix or Pleated

Helix

Spiral shape form a hydrogen bond

Pleated

Polypeptide folds back and forms hydrogen bonds along the length of it

Tertiary Structure (Proteins)

Folded in to 3D shape

Globular proteins

3D proteins

Quantenary Structure

Composed of more than one polypeptide; Hemoglobin

Nucleic Acids

Nitrogenous base that is always bonded to first carbon

DNA

Genetic material

Cytosine and Thymine

One ring structure

Guanine and Adenine

Two ring structure

Backbone of DNA

Sulfur and Phosphorus

RNA

Protein Synthesis. Uracil instead of Thymine