Biology Eoc review packet part 1 dw

The variable that I change in the experiment is the _______.

• controlled experiment

• Dependent variable

• independent variable

• controlled experiment

The variable that I I am measuring in the experiment is the _______.

• controlled experiment

• Dependent variable

• independent variable

• controlled experiment

The variable that stays the same is the _______.

• controlled experiment

• Dependent variable

• independent variable

• controlled variable

an experiment in which only one variable is changed at a time is the _______.

• controlled experiment

• Dependent variable

• Hypothesis

• controlled variable

What is the function of an enzyme?

• Make up a lot of living things, universal solvent.

• Acts as a biological catalyst, speeds up the rate of a chemical reaction.

• higher temps will cause the enzyme to no longer work properly

• water is polar

How do temperature and pH affect enzymes?

• Make up a lot of living things, universal solvent.

• Acts as a biological catalyst, speeds up the rate of a chemical reaction.

• higher temps will cause the enzyme to no longer work properly

• water is polar

Why is water important to living things?

• Make up a lot of living things, universal solvent.

• Acts as a biological catalyst, speeds up the rate of a chemical reaction.

• higher temps will cause the enzyme to no longer work properly

• water is polar

Which means it is + on one end and - on the other?

• Make up a lot of living things, universal solvent.

• Acts as a biological catalyst, speeds up the rate of a chemical reaction.

• higher temps will cause the enzyme to no longer work properly

• water is polar

Acids have a pH __________

• 7

• above 7

• below 7

Bases have a pH __________

• 7

• above 7

• below 7