Chapter 3 Flashcards
1
Q
What are composed of chemical elements
A
Proteins, carbohydrates, fats and nucleic acids
2
Q
Our bodies are primarily made of
A
Carbon, nitrogen , oxygen and hydrogen
3
Q
Smallest until of an element that has properties of that element
A
Atoms
4
Q
Structure of an atom
A
Nucleus , protons, electrons and neutrons
5
Q
What speeds up chemical reactions
A
Enzymes
6
Q
What are proteins made of
A
Amino acids
7
Q
Job of a nucleic acid
A
Information storage and transfer system
8
Q
DNA are made of what sub units
A
A , C , T , G
