Medical Quiz

Cell Bio Quiz


How is the mitochondria different from the chloroplast?

A. The mitochondria has its own DNA while the chloroplast doesn’t

B. The mitochondria converts sugars to ATP while the chloroplast stores solar energy in sugars

C. The mitochondria is in the cytoplasm while the chloroplast is in the nucleus

D. Only plant cells have chloroplasts and only animal cells have mitochondria

A phospholipid bilayer…

A. is a fluid mosaic

B. is semi-permeable

C. lets small / non-polar molecules through

D. all of the above

You put a cheek cell in a highly concentrated sugar solution. What should happen to the cheek cell?

A. It should swell – the solution outside is hypotonic.

B. It should swell – the solution outside is hypertonic.

C. It should shrink – the solution outside is hypertonic.

D. It should swell – the solution outside is isotonic.

Which one is not a primary function of the cell membrane?

A. Giving the cell a solid shape

B. Protecting the cell

C. Regulating what comes in and out of the cell

D. Communication

At equilibrium…

A. solutes are still moving

B. solutes are crossing the membrane at the same rate

C. the net flow is zero

D. all of the above

Why does active transport require energy?

A. It’s moving large materials in or out of the cell.

B. It’s pushing solutes into areas that already have a high concentration of solutes.

C. A & B

D. Active transport doesn’t require energy.

You mix salt into a cup of water. Which of the following statements is true?

A. The salt is the solvent and the water is the solute.

B. The water is a solution and the salt is a solute.

C. The salt is a solute and the water is a solvent.

D. The solution is hypertonic

Why do solutes move through protein channels in facilitated diffusion?

A. The solutes are too big or too polar to cross the membrane alone.

B. The solutes are moving from low concentration to high concentration.

C. No molecules can pass straight through the membrane.

D. The solutes have reached equilibrium.

Which organelle is responsible for processing, packaging, and distributing proteins for use in and outside the cell?

A. Golgi apparatus

B. Ribosome

C. Cytoplasm

D. Cytoskeleton

Which organelle breaks down toxins for the cell?

A. Peroxisome

B. Lysosome

C. Ribosome

D. Vacuole

Which of the following is NOT true about osmosis?

A. Osmosis is the diffusion of water across a membrane.

B. During osmosis, water moves from high solute to low solute concentrations.

C. During osmosis, the net flow of water is toward the solutes.

D. Osmosis is a type of passive transport.

Does this cell have cilia or a flagellum?

A. Cilia

B. Flagellum

C. Neither

D. Both

Because the phosphate head of a phospholipid is polar, it…

A. is hydrophobic

B. is hydrophilic

C. is repelled by water

D. dissolves in water

Where are ribosomes found in the cell?

A. Nucleolus

B. Mitochondria

C. Rough ER

D. Cytoplasm

E. All of the above…and more!

Which organelle is found in both plant and animal cells?

A. Lysosome

B. Centrioles

C. Cell wall

D. Mitochondria

What cell structure holds the other organelles in place and provides structure and an internal “road” for the cell?

A. Cytoplasm

B. Cytoskeleton

C. Cilia

D. Centrioles

The smooth ER…

A. makes proteins, ribosomes, and amino acids

B. makes energy, sugar, and ATP

C. makes lipids, carbohydrates, and hormones

D. makes DNA, RNA, and cellulose

During simple diffusion…

A. solutes do not cross the membrane

B. the cell uses energy to push solutes across a membrane

C. solutes move through protein channels

D. solutes move from areas of high solute concentration to areas of low solute concentration

Inside the nucleus, the ___________ makes ribosomes. Ribosomes them make the _______________ for the cell.

A. nuclear envelope ; membranes

B. DNA ; chromatin

C. nucleolus ; proteins

D. centrioles ; centrosome


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