Unit 3 Energy Flow Test #1

Front

What does synthesis mean?

Back

Synthesis means to make.

Front

What is an enzyme?

Back

An enzyme is a biological catalyst that speeds up chemical reactions in living organisms.

Front

Which parts of the molecule must the bonds be broken to form an ADP molecule?

Back

C and D.

Front

What structures make up the ADP molecule?

Back

A, B, and C.

Front

What is an example of an endothermic process?

Back

Chemical Ice Pack.

Front

What is energy flow in an ecosystem?

Back

Energy flow refers to the transfer of energy from one organism to another through food chains and food webs.

Front

What is the difference between exothermic and endothermic reactions?

Back

Exothermic reactions release energy, while endothermic reactions absorb energy.

Front

What role do enzymes play in biochemical reactions?

Back

Enzymes lower the activation energy required for reactions, thus speeding them up.

Front

What is a substrate in the context of enzyme activity?

Back

A substrate is the reactant molecule upon which an enzyme acts.

Front

What are products in a chemical reaction?

Back

Products are the substances formed as a result of a chemical reaction.