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Chapter 4 - Cell Activities

Across
The primary pigment in photosynthesis
Occurs in plants and algae and is an example of irreducible complexity
The products of photosynthesis are sugar and this
The most common energy source of cellular energy
Substances that are present at the beginning of a chemical reaction are called
Down
In aerobic cellular respiration the chemical energy of sugar is converted into this
"recharges" ATP Molecules
The organelles where most chlorophyll are located
An organism that obtains food by eating other organisms, including humans, animals and fungi
Colored substances that absorb light energy are called
The color of chlorophyll
The first step of aerobic respiration occurs here