Unit Test — Unit test Answers

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

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

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 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?

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

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

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 best defines homeostasis?

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

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 breaks down sugar molecules that supply energy to the cell?

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

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

Consider this animal cell.Which organelles are labeled G?

What does it mean for a membrane to be selectively permeable?

Which organelle packages and distributes proteins that are received from the endoplasmic reticulum?

Which solution would most likely cause a plant placed in it to become firmer and more rigid?

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

Based on the endosymbiotic theory, what cell would result from the endosymbiosis of a cell with a cyanobacterium?