Unit Test — Unit test Answers

How is mitochondrial DNA (mtDNA) typing used in forensic science?

Consider this animal cell.Which organelles are labeled D, and what is one feature that distinguishes them from the other labeled organelles?

The endosymbiotic theory provides an explanation for the origin of chloroplasts. Which trait of chloroplasts supports this explanation?

Which best defines homeostasis?

The role of the cell membrane is most like the job of which person?

Suppose that a patient is diagnosed with a new disease caused by the buildup of waste material in the body’s cells. Which organelle is most likely malfunctioning in the patient’s cells?

Consider this animal cell.Which organelles are labeled G?

Which organelle makes the proteins that are needed by the cell?

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?

A scientist is comparing the outer layer of an onion cell to the outer layer of a human skin cell. What is unique about the outer layer of the onion cell compared to the skin cell?

Which organelle breaks down sugar molecules that supply energy to the cell?

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?

How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater?

A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how the cell could be classified?

Which structure is found in the cytoplasm of a prokaryotic cell, but is not found in the cytoplasm of a eukaryotic cell?

For diffusion to occur, which condition must be met?

In which kind of solution is the concentration of solutes the same inside and outside of the cell?

Which statement is true about a cell wall but not a cell membrane?

Which best describes the difference between osmosis and diffusion?

A chemical has been found to harm the same components in both prokaryotic and eukaryotic cells. Which components are those?