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Chemistry of life

Across
two DNA strands are held together
organic molecules composed of carbon, hydrogen, and oxygen
enzymes are complex proteins, they are affected by variation in...
single sugar units
reactions reverse this by breaking the larger organic molecules apart into the original smaller molecules
complementary base pairs of DNA
The building block units of DNA molecules
covalently bond smaller organic molecules together to form larger organic molecules
one molecule of glycerol bonded to three molecules called fatty acids
Down
many sugar units
known as fats and oils
Many of the properties of water are explained by its .....
‘building blocks’ of large organic molecules
proteins act as organic catalysts