Unit Test Answers

Consider this animal cell.Which organelles are labeled G?

Which best defines homeostasis?

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

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?

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

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?

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

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?

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

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

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?

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?

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 statement does not support the endosymbiotic theory?

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

For diffusion to occur, which condition must be met?

Which organelle captures the energy from sunlight and converts it to chemical energy, and in which cells could it be found?

Which best describes dynamic equilibrium?

Which motion of particles across a membrane requires energy?

Which structure is unique to eukaryotic cells?

Which term describes an extensive network of tubes, sacs, and vesicles throughout a cell that provides transport as its main function?

Consider this animal cell.Which organelle is labeled I?

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?