Unit Test — Unit test Answers

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

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

How does interphase prepare cells for mitosis?

A scientist hypothesized that oxygen atoms from both carbon dioxide and water are used to make glucose during photosynthesis. However, experimental results using oxygen isotopes showed that all of the oxygen from the water ended up in the oxygen molecules that were produced. None of the oxygen from water was found in glucose. What should the scientist do to best gain scientific understanding of this topic?

Meiosis occurs in a series of different phases and creates genetically unique reproductive cells. Which process helps make meiotic cells genetically different and occurs during prophase I, but not during prophase II?

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?

It is crucial that the process of mitosis is error free. This is because otherwise healthy cells can

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 component of Earth’s atmosphere is decreased due to photosynthesis?

What is the end result of meiosis?

A magnifying glass is an example of which type of microscope?

Who first recognized the cell as the universal unit of life?

If a runner is doing vigorous exercise, which results from the anaerobic cellular process?

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

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

After Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body?

How has the study of mitosis affected scientists’ knowledge of cancer?

Which correctly describes crossing over?

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

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