Chapter 2 Flashcards
1
Q
pH scale
A
Measures acidity
0–6 = acidic
7 neutral
8-14= basic
2
Q
Macromolecules
A
Carbohydrates, lipids, proteins, nucleic acids
3
Q
Enzymes
A
Proteins that speed up chemical reactions by lowering activation energy
4
Q
Hydrogen bonds
A
Weak bonds between water molecules, responsible for cohesion/adhesion
5
Q
Carbohydrates
A
Quick energy like glucose and starch
6
Q
Lipids
A
Fats, long-term energy storage, cell membranes
7
Q
proteins
A
Build and repair cells, enzymes speed up reactions
8
Q
Nucleic acids
A
DNA and RNA store genetic information
