Chapter 2- Chemistry Flashcards
1
Q
4 most abundant elements of a living organism
A
Carbon, Hydrogen, Oxygen, Nitrogen (CHON)
2
Q
Functions and examples of the 4 biomolecules
A
- Carbohydrate; Energy; Ex. Sugars
- Lipids; Protection; Ex. Fats
- Proteins; Body Structure; Ex. Cheese
- Nucleic Acids; Genetic Material; Exs. DNA and RNA
3
Q
Functions and examples of the 4 biomolecules
A
- Carbohydrate; Energy; Ex. Sugars
- Lipids; Protection; Ex. Fats
- Proteins; Body Structure; Ex. Cheese
- Nucleic Acids; Genetic Material; Exs. DNA and RNA
4
Q
Enzyme
A
Chemical that speeds up a chemical reaction
5
Q
Proteins are made up of
A
amino acids that are joined together in long chains
6
Q
Function of ATP
A
- Energy Transport in cell
- Carries energy in a chemical bond between the phosphate group
7
Q
Saturated Fats
A
- Single Bonds
- Solid
- From Animals
- Unhealthier
8
Q
Unsaturated Fats
A
- Double Bonds
- Liquid
- Plants
9
Q
Phospholipid
A
- 2 hydrophobic tails
- 1 hydrophilic head
- Key for cell membranes
10
Q
Atomic Number
A
-Number of Protons
11
Q
Atomic Mass
A
- Number of Protons + Neutrons
12
Q
Ion
A
- Charged atom that has lost or gained electrons
- Can be positive or negative
- Carry out electrical currents
13
Q
Buffer the blood
A
Chemical in blood to prevent rapid changes in pH
14
Q
Ionic Bonds
A
- Can donate or accept electrons
- Opposite Charges (Bonding)
15
Q
Hydrogen Bonds
A
-Type of polar covalent bond between Hydrogen atoms and other atoms
