ATP and Energy

1 adenine, 1 ribose, 3 phosphate groups

1 adenine, 1 thymine, 3 phosphate groups

1 adenine, 2 ribose, 2 phosphate groups

1 adenine, 2 thymine, 2 phosphate groups

1

2

3

4

passive transport across the membrane

active transport across the membrane

the nucleus

cell division

DNA

RNA

ATP

ADP

The whole molecule

The ribose sugar

The bond between the first and second phosphate

The bond between the second and third phosphate

1 adenine, 1 ribose, 2 phosphate groups

1 adenine, 1 thymine, 2 phosphate groups

1 adenine, 2 ribose, 1 phosphate group

1 adenine, 2 thymine, 1 phosphate group

1

2

3

4

An adenine

A ribose

Three phosphates

Energy

Requires energy

Releases energy

ATP has 2 phosphates and ADP has 3 phosphates

ATP has 3 phosphates and ADP has 2 phosphates

ATP is like a fully charged battery and ADP is partially charged.

ATP is like a partially charged battery and ADP is fully charged.