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27 Cards in this Set

  • Front
  • Back
Electron Group Geometry
Mutual repulsion among electron groups leading to a certain orientation of those groups depending on the number of groups involved.
Molecular Geometry
describes the 3-D geometry of a molecule, including the lone pair electrons.
Hybrid orbitals
Blending of two or more atomic orbitals to new energetically equivalent orbitals with optimzed geometry.
Sigma Bond
Covalent bond formed by end-to-end orbital overlap.
Pi Bond
Covalent bond formed by parallel orbital overlap.
Ionic Bond
Bond where one element gives up an electron and the other accepts
Covalent Bonds
Bonds where electrons are shared
Polar Covalent
Electrons are unequally shared
-: Electrons closer to one atom-: One end of bond is partially + other is partially –
Non-Polar Covalent
Electrons are equally shared
Hydrogen Bonds
Week bonds usually between molecules. Bond between Hydrogen and a electronegative element.
Describe how hydrogen bonds effect water's ability to regulate temperature.
1. Hydrogen bonds require a lot energy to break.
2. the initial energy goes to breaking the bonds, so more is needed to heat the water.
3. Because our body has lots of water, we can absorb heat while maintaining our body temp.
Monomer of Protein
Amino Acid
Monomer of Carbohydrates
Glucose
Monomer of Lipids
3 fatty acids + glycerol
Monomer of Nucleic Acid
Nucleotide
Simple sugars
Monoaccharides
Hexoses – C6 – Many are isomers – C6H12O6
Name Found
Glucose – Everywhere
Fructose – Fruit
Galactose – Milk
Pentose – C5
Ribose – RNA
Deoxyribose – DNA
Double Sugars
Disaccharides – C12H22O11
Sucrose – Glucose + Fructose
Lactose – Glucose + Galactose
Maltose – Glucose + Glucose
Polysaccharides
Polymers of glucose

Glucose units in Amylose – Alpha Bond (α) – All Oxygen’s Facing Down

Glucose units in Cellulose – Beta Bond (β) – All Oxygen’s Facing Up
Steroids
Messenger to fats and proteins
Essential Amino Acids
Can’t be synthesized by the organism
Non Essential Amino Acids
Can be synthesized by the organism. animals can make it through molecules.
Primary Structure
Binding of amino acids to one another - Dehydration synthesis
Peptide bonds
Secondary Structure
Result of Hydrogen Bonding between primary structures
Alpha Helix – Slinky
Beta - Pleated Sheet -
DNA structure –Wrong DNA means Wrong protein
Tertiary Structure
Bonding between R Groups
Many Different Kinds of Bonds
Sulfur – 2 amino acids have sulfu
Quaternary Structure
Only in large Proteins that have only one peptide bond
The ability of a protein to function relies on its structure
fat soluble vitamins
vitamins A, D, E and K
1. Fat soluble vitamins stay longer in your system because they get trapped in fat storage. These vitamins are usually absorbed in fat globules.
water soluble vitamins
vitamins B and C.
4. The B-complex group is found in a variety of foods: cereal grains, meat, poultry, eggs, fish, milk, legumes and fresh vegetables.
5. Citrus fruits are good sources of vitamin C.
6. Water soluble vitamins are eliminated in the urine and therefore need to be replaced.
1. They function as coenzymes that help the body obtain energy from food. They also are important for normal appetite, good vision, healthy skin, healthy nervous system and red blood cell formation.