Which organelle breaks down sugar molecules that supply energy to the cell?
Which order shows the levels of organization from largest to smallest?
How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater?
The endosymbiotic theory provides an explanation for the origin of chloroplasts. Which trait of chloroplasts supports this explanation?
The role of the cell membrane is most like the job of which person?
How is mitochondrial DNA (mtDNA) typing used in forensic science?
A scientist is observing a eukaryotic cell and a prokaryotic cell. Which structure could she only observe in the eukaryotic cell?
Which organelle makes the proteins that are needed by the cell?
Which best defines homeostasis?
A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how the cell could be classified?
Consider this animal cell.Which organelles are labeled G?

The data in the table were recorded during an investigation in which a paramecium was placed in a hypertonic salt solution. If this data is shown in a bar graph, which description accurately represents the bars?

The table lists some organelles and functions. Only one pair is correctly matched.Functions of OrganellesOrganelleFunctionChloroplastStores water and waste materialsCell wallSupports cell membrane, maintains cell shape, and protects cellCell membraneBreaks down waste materials and debrisVacuoleProduces proteins for the cellWhich organelle in the table is correctly matched with its function?
A scientist is using a microscope to observe a type of bacteria.Which two structures would the scientist most likely see?
Which structure is found in the cytoplasm of a prokaryotic cell, but is not found in the cytoplasm of a eukaryotic cell?
Which structures do plant cells have for making food that animal cells do not?
Which three structures are found in both prokaryotic and eukaryotic cells?
Which discovery supported the endosymbiotic theory?
Gina is studying a cell under a powerful microscope. The cell does not contain membrane-bound organelles.Which cell is Gina most likely studying?
Water makes up a large percentage of the body’s cells. For a cell to remain in homeostasis, there must be a mechanism to control water changes in the cells. The movement of water from an area of high water concentration to an area of low water concentration is
Chad drew a diagram to compare animal cells and bacterial cells.

Herbicides are being used to kill weeds in a nearby field. The plants absorb the herbicides from the soil. Which organelle in the plant will most likely store the absorbed herbicide waste?
Which process is characterized by the movement of particles from an area of high concentration to an area of low concentration across the plasma membrane without the use of energy?
Which statement is most likely to apply to a cell that has DNA within its cytoplasm?
A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria. Which statement best describes how the cell could be classified?
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