Cells, Cell Transport and Cell Division Self-Quiz

Which of the following organelles is responsible for the manufacture of proteins in prokaryotic and eukaryotic cells?
1. nucleolus
2. nucleus
3. ribosome
4. rough endoplasmic reticulum
5. smooth endoplasmic reticulum
In osmosis, water will always move toward the __________ solution, which is the solution with the ________ solute concentration.
1. isotonic, greater
2. hypertonic, greater
3. hypertonic, lesser
4. hypotonic, greater
5. hypotonic, lesser
When neurotransmitters are secreted from nerve cells across a synaptic cleft from synaptic vesicles, this is an example of
1. endocytosis
2. pinocytosis
3. osmoregulation
4. exocytosis
5. phagocytosis
Human cheek cells at the S phase of the cell cycle would have how many chromosomes?
1. 46
2. 23
3. 92
4. 11.5
5. It depends on what time during the S phase you look.
What cellular process is taking place in the diagram above?
1. endocytosis
2. diffusion
3. active transport
4. osmosis
5. exocytosis
Lysosomes are cytoplasmic organelles that contain enzymes that break macromolecules down to peptides, amino acids, monosaccharides, nucleic acids and fatty acids.

There is a series of diseases called lysosomal storage diseases which results in a lack of these enzymes being produced. Which part of a cell is ultimately responsible for the faulty functioning of the lysosomes?
1. lysosome
2. ribosome
3. nucleus
4. chromosome
5. endoplasmic reticulum
A cell's cytoplasmic volume increases when placed in an aqueous solution. The solution's osmolarity is said to be ___________ relative to the cell.
1. isotonic
2. hypotonic
3. hypertonic
4. gin and tonic
5. supersonic
Which of the stages of mitosis below is incorrectly matched to its main characteristic?
1. interphase: DNA replicates itself, cell volume increases
2. prophase: nuclear membrane disappears, chromosomes are tightly coiled
3. metaphase: chromosomes line up along cell's equator attached to spindle fibers by centromeres
4. anaphase: cleavage furrow forms in between two daughter cells
5. telophase: nuclear membranes begin to reform as spindle apparatus degenerates
Phospholipids contain hydrophobic and hydrophilic regions in the same molecule. The term used to refer to this property of cell membranes is known as
1. amphipathic
2. polar
3. non-polar
4. ionic
5. electrostatic
Which of the following statements is not a part of the cell theory?
1. All living things are made of cells.
2. All living cells have a nucleus.
3. All plants are formed by cells.
4. All animals are formed by cells.
5. All cells must come from other cells.
What type of cell is shown in the above picture?
1. eukaryote
2. prokaryote
3. bacterium
4. protist
5. Both B and C are correct
The above picture demonstrates a certain type of cell transport that takes place in between neurons when neurotransmitters diffuse across the synaptic cleft. What type of cellular transport is occurring as the vesicle forms and then surfaces on the cell's plasma membrane?
1. endocytosis
2. diffusion
3. exocytosis
4. facilitated diffusion
5. pinocytosis
What stage of mitosis is shown in the diagram below?
1. interphase
2. prophase
3. metaphase
4. anaphase
5. telophase
What is the function of the above organelle?
1. Synthesis of lipids and modification of proteins.
2. Conversion of glucose into ATP during cellular respiration.
3. Synthesis of ribosomes.
4. Digestion of worn out cell organelles and macromolecules.
5. Transport of macromolecules out of the cell by formation of vesicles that exit the plasma membrane.
All of the following would be good areas to search for mitotically dividing cells except:
1. the root tip of an onion
2. the stem tip of an onion
3. whitefish blastulas
4. early cleavages of the fertilized egg of a roundworm
5. the ovaries of a dog
All of the following are membrane-bound bodies in eukaryotic cells except:
1. lysosome
2. mitochondrion
3. nucleolus
4. Golgi body
5. endoplasmic reticulum
Which of the numbered parts of the microscope above contain optical lenses used to focus an image?
1. 9 and 7
2. 2 and 3
3. 5 and 9
4. 8 and 9
5. 3 and 12
The phase of mitosis shown in the diagram above is
1. interphase
2. prophase
3. metaphase
4. anaphase
5. telophase
The chemical colchicine prevents the assembly of microtubules by binding to tubulin protein subunits. Which of the following processes would be most impaired by the application of colchicine?
1. DNA synthesis
2. protein synthesis
3. mitosis
4. active transport
5. chemiosmosis
A researcher wants to visualize a series of protein receptors on the surface of a pancreas cell. Which of the following tools would she use in order to help her visualize these receptors more clearly?
1. scanning electron microscope
2. transmission electron microscope
3. light microscope
4. magnifying glass
5. ultracentrifugation
Which one of the following molecules is most likely to diffuse freely across the lipid bilayer of the cell membrane without the involvement of a transport protein?
1. carbon dioxide
2. glucose
3. sodium ion
4. DNA
5. hemoglobin
Green olives may be preserved in brine, which is a 20–30% salt solution. How does this method prevent contamination by microorganisms?
1. Bacterial cell walls are shrivelled up by salt, causing the cell to burst.
2. High salt concentrations lower the pH, thus inhibiting the process of glycolysis.
3. High salt concentrations raise the pH, thus inhibiting the process of glycolysis.
4. Bacteria can't survive in a hypotonic solution because of pressure on the cell wall.
5. Bacteria can't survive in a hypertonic solution because they lose water.
Which one of the following does NOT occur during, or because of, mitosis?
1. Two genetically identical daughter cells result.
2. Chromatin condenses.
3. Chromatids separate.
4. Chromosomes replicate.
5. Chromosomes align along the cell's equator.
Which of the following enables a cell to pick up and concentrate a specific kind of molecule?
1. passive transport
2. diffusion
3. osmosis
4. receptor-mediated endocytosis
5. exocytosis
Which of the following does not differentiate a plant cell from an animal cell?
1. Presence or absence of a cellulose cell wall
2. Presence or absence of centrioles
3. Presence or absence of a large central vacuole
4. Presence or absence of Golgi bodies
5. Presence or absence of chloroplasts