Cell Bio Quiz
Preview:
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.
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
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
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.
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
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
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
Which organelle is found in both plant and animal cells?
A. Lysosome
B. Centrioles
C. Cell wall
D. Mitochondria
Which organelle breaks down toxins for the cell?
A. Peroxisome
B. Lysosome
C. Ribosome
D. Vacuole
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
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
A phospholipid bilayer…
A. is a fluid mosaic
B. is semi-permeable
C. lets small / non-polar molecules through
D. all of the above
Where are ribosomes found in the cell?
A. Nucleolus
B. Mitochondria
C. Rough ER
D. Cytoplasm
E. All of the above…and more!
Does this cell have cilia or a flagellum?
A. Cilia
B. Flagellum
C. Neither
D. Both
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