Chemistry Review Flashcards
1
Q
Catabolism
A
All decomposition reactions in the body
2
Q
Anabolism
A
All synthesis reactions in body
3
Q
Atomic number
A
Protons + neutrons
4
Q
Isotopes
A
Atoms with different numbers of neutrons
5
Q
% Oxygen in the body
A
65%
6
Q
% carbon in body
A
18.6%
7
Q
% hydrogen in body
A
9.7%
8
Q
% nitrogen in body
A
3.2%
9
Q
Important properties of water due to hydrogen bonds
A
- surface tension
- resists evaporation
- allows proteins and DNA to function
- helps shape DNA
10
Q
What occurs in a chemical reaction
A
Bonds between atoms are rearranged
11
Q
Energy
A
The capacity/ ability to do work
12
Q
Enzyme
A
Protein that promotes chemical reactions by lowering the activation energy needed
