Unit Test Answers

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?

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 makes the proteins that are needed by the cell?

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 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?

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

Consider this animal cell.Which organelles are labeled G?

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?

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

What function do chloroplasts perform?

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

Reptiles and birds excrete waste as an insoluble white solid that is called uric acid. How does this help them to maintain internal homeostasis in hot climates?

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

A student is examining leaf cells. Which organelles are missing from the cells?

Which homeostatic process requires energy to move particles across the plasma membrane?

The

An animal cell (left) and a plant cell (right) are shown.Which two cell parts are most likely found in both types of cell?

A scientist is comparing the outer structure of an onion cell, structure X, to the outer structure of a human skin cell, structure Y. Which generalization is true about the types of structures being examined?

Consider the cell structure that is shown below.Which is a function of the structure that is represented in the image?