Prokaryotic and Eukaryotic Cells
Function of Organelles
Cell Homeostasis
Animal and Plant Cells
Labs
100
What is shown in the image?
A. prokaryote
B. eukaryote
C. chloroplast
D. mitochondrion
A. prokaryote
100
Which organelle makes the proteins that are needed by the cell?
A. cell membrane
B. Golgi apparatus
C. ribosomes
D. nucleus
C. ribosomes
100
Which best defines homeostasis?
A. modifying the external environment
B. maintaining a stable internal environment
C. controlling what enters and exits the cell
D. movement of materials into the cell
B. maintaining a stable internal environment
100
An animal cell (left) and a plant cell (right) are shown.
Which organelle, labeled X in the diagram, is found in both plant and animal cells?
A. the cell wall
B. the cell membrane
C. mitochondrion
D. ribosome
B. the cell membrane
100
Which of the following is a mitochondrion?
A. Structure A
B. Structure B
C. Structure C
D. Structure D
B. Structure B
200
Which structure is found in the cytoplasm of a prokaryotic cell, but is not found in the cytoplasm of a eukaryotic cell?
A. DNA
B. ribosomes
C. nucleus
D. mitochondria
A. DNA
200
Which organelle can be compared to a security guard who decides whom may enter a building and whom may not?
A. cell membrane
B. cytoplasm
C. endoplasmic reticulum
D. mitochondrion
A. cell membrane
200
Which homeostatic process is characterized by the diffusion of only water molecules?
A. active transport
B. osmosis
C. passive transport
D. dynamic equilibrium
B. osmosis
200
Which organelles are not found in plant cells?
A. vacuoles
B. mitochondria
C. chloroplasts
D. centrioles
D. centrioles
200
In the compound microscope lab which of the organelles below were observable under high power? Check all the organelles that you could see.
A. cell membrane
B. nucleus
C. vacuoles
D. ribosomes
A. cell membrane
B. nucleus
300
Which structure will form when a primitive cell engulfs an aerobic bacterium?
A. mitochondria
B. chloroplast
C. nucleus
D. cell membrane
A. mitochondria
300
Which organelle breaks down sugar molecules that supply energy to the cell?
A. Golgi apparatus
B. nucleus
C. endoplasmic reticulum
D. mitochondrion
D. mitochondrion
300
A patient is in need of hydration. Which type of solution are the patient’s cells most likely in?
A. hypotonic
B. hypertonic
C. isotonic
D. osmotic
B. hypertonic
300
Which of the following statements correctly describes a difference between plant cells and animal cells?
A. Plant cells have an envelope surrounding the nucleus. Animal cells do not.
B. Animal cells contain mitochondria. Plant cells do not.
C. Animal cells contain chloroplasts. Plant cells do not.
D. Plant cells are surrounded by a cell wall. Animal cells are not.
D. Plant cells are surrounded by a cell wall. Animal cells are not.
300
Which of the following bar charts describes a system that is in solution equilibrium?
A. Graph A
B. Graph B
C. Graph C
D. Graph D
D. Graph D
400
According to the endosymbiotic theory, which cellular process was involved in the evolution of mitochondria and chloroplasts?
A. symbiosis
B. phagocytosis
C. endosymbiosis
D. photosynthesis
B. phagocytosis
400
Two cells in the same organism differ only in the number of chloroplasts they contain. The first cell has multiple chloroplasts, and the second cell has very few. What would most likely characterize these cells?
A. There would be no difference between the functioning of the cells because the chloroplasts are not essential cell structures.
B. The second cell would become larger because it would have fewer chloroplasts regulating its size and shape.
C. The second cell would shrink because it would not be able to store water and maintain cell shape.
D. The second cell would not be able to produce as much food because it could not capture very much sunlight.
D. The second cell would not be able to produce as much food because it could not capture very much sunlight.
400
The data in the graph are the result of a paramecium being placed in a hypertonic salt solution.
Based on the data in the graph, which would most likely happen if the paramecium were placed in distilled water?
A. The contractions would increase.
B. The contractions would decrease.
C. The contractions would cease altogether.
D. The contractions would establish dynamic equilibrium.
A. The contractions would increase.
400
Consider the plant cells in the image below.
Which is a function of the cell structure that is labeled X?
A. It stores lipids.
B. It helps in cell metabolism.
C. It provides support.
D. It transports proteins.
C. It provides support.
400
The images below show the same cell, before and after reaching equilibrium. Which statement best describes what happened as the volume of the cell increased?
A. The number of solute particles inside the cell decreased.
B. The number of solute particles outside the cell decreased.
C. The number of solvent particles inside the cell decreased.
D. The number of solvent particles outside the cell decreased.
D. The number of solvent particles outside the cell decreased.
500
How is mitochondrial DNA (mtDNA) typing used in forensic science?
A. An unknown mtDNA sample is matched to a sample of nuclear DNA that was found at a crime scene.
B. An unknown mtDNA sample is matched to a sample of mtDNA that was found at a crime scene.
C. An unknown nuclear DNA sample is matched to a sample of nuclear DNA that was found at a crime scene.
D. An unknown nuclear DNA sample is matched to a sample of mtDNA that was found at a crime scene.
B. An unknown mtDNA sample is matched to a sample of mtDNA that was found at a crime scene.
500
Consider this animal cell.
Which organelles are labeled D, and what is one feature that distinguishes them from the other labeled organelles?
A. chloroplasts; the only organelles that produce sugars from sunlight
B. ribosomes; only found in animal and bacterial cells
C. centrioles; found in animal cells but not plant cells
D. mitochondria; the only energy-generating structures found in cells
C. centrioles; found in animal cells but not plant cells
500
Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. Magnesium is an important component of chlorophyll. The concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. Which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll?
A. osmosis
B. diffusion
C. passive transport
D. active transport
D. active transport
500
Shannon is making a Venn diagram to organize the characteristics of cell walls and cell membranes. Which pair of characteristics both belong in the two areas of the Venn diagram that do not intersect?
A. helps with communication; contains mostly cellulose
B. contains mostly cellulose; forms the outer layer of animal cells
C. is found in plant cells; is found in animal cells
D. is semipermeable; found in animal cells
B. contains mostly cellulose; forms the outer layer of animal cells
500
Which direction below is a step in preparing a wet-mount slide?
A. Press a specimen and a drop of water between two glass microscope slides.
B. Insert a drop of water between a cover slip and the glass slide.
C. Add a drop of water onto a specimen, and place a cover slip on top.
D. Add a drop of water onto a specimen on a glass slide, and clip it onto the microscope stage.
C. Add a drop of water onto a specimen, and place a cover slip on top.