Biology Midterm Review

Front

Which macromolecule is composed of amino acid monomers and often acts as an enzyme?

Back

Protein

Front

Which macromolecule's primary role is long-term energy storage and is built from glycerol and fatty acids?

Back

Lipid

Front

Which cellular organelle is the site of ATP production during aerobic respiration?

Back

Mitochondrion

Front

Facilitated diffusion differs from simple diffusion because it:

Back

Uses membrane proteins to transport large or charged molecules down a gradient

Front

What does the contractile vacuole in freshwater protists do to prevent lysis?

Back

Pumping water out of the cell

Front

A mutation prevents a cell from entering S phase. What immediate process is directly affected?

Back

DNA replication

Front

How do enzymes speed up biochemical reactions?

Back

Lowering activation energy

Front

Which process yields the most ATP per glucose when oxygen is available?

Back

Aerobic cellular respiration (including Krebs cycle and ETC)

Front

In plants, which product of the light reactions is used to power the Calvin cycle?

Back

ATP and NADPH

Front

Which best describes an autotroph?

Back

An organism that makes its own food