Science 1.7 & 1.8

What is biochemestry?

• The study of living things.

• The study of the earth

• The study of molecules in living things.

• The study of carbon and hydrogen at the same time.

An element is

• a basic form of mater.

• an electrical source

• breakable

• salt or glucose.

What is an organic compound?

• Compounds with carbon and hydrogen together

• Compounds with no carbon and hydrogen together

• Water

• Bases

What is an Inorganic Compound?

• Compounds with no carbon and hydrogen at the same time.

• Compounds with carbon and hydrogen at the same time.

Cells are made of _____% of water

• 50%

• 60%

• 70%

• 80%

Respiration, photosynthesis, hydrolysis, digestion are all checmical reactions and therefore require:

• time

• money

• water

• air

"Water is a versatile solvent." In other words,

• It can fit into a lot of places

• It can be used by many scientists at one time.

• It can multiply into a lot of atoms.

• It can dissolve a lot of substances

Water is a polar compound.

• True

• False

Glucose has both carbon and hydrogen together which makes it which kind of compound?

• Organic

• Inorganic

Salts do not have carbon and hydrogen which makes it which type of compound?

• Organic

• Inorganic