Unit Test — Unit test Answers

Influenza (the flu) is caused by a virus that attacks the respiratory system. Which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus?

The table lists some organelles and functions. Only one pair is correctly matched.Functions of OrganellesOrganelleFunctionNucleusDirects cell activityEndoplasmic reticulumBreaks down sugar molecules to supply energyGolgi apparatusSupports and protects organelles in the cellLysosomeProduces proteins for the cellWhich organelle in the table is correctly matched with its function?

An animal cell (left) and a plant cell (right) are shown.Which organelle, labeled X in the diagram, is found in both plant and animal cells?

According to the endosymbiotic theory, which cellular process was involved in the evolution of mitochondria and chloroplasts?

The table lists some organelles and functions. Only one pair is correctly matched.Functions of OrganellesOrganelleFunctionLysosomeStores water and waste materialsVacuoleBreaks down sugarsMitochondrion Breaks down waste materials and debrisRibosomeProduces proteins for the cellWhich organelle in the table is correctly matched with its function?

Primary lateral sclerosis is a disease that affects the body's ability to react to stimuli and causes a person to have difficulty moving the legs, body trunk, arms, hands, and face.Which specialized cells are most affected by this disease?

Consider the plant cells in the image below.Which is a function of the cell structure that is labeled X?

Shannon is making a Venn diagram to organize the characteristics of cell walls and cell membranes. Which pair of characteristics both belong in the two areas of the Venn diagram that do not intersect?

Which organelles are not found in plant cells?

What is shown in the image?

The data in the graph are the result of a paramecium being placed in a hypertonic salt solution.Based on the data in the graph, which would most likely happen if the paramecium were placed in distilled water?

Two cells in the same organism differ only in the number of chloroplasts they contain. The first cell has multiple chloroplasts, and the second cell has very few. What would most likely characterize these cells?

The concentration of sodium on the inside of the cell is 20 mM. The outside of the cell has a sodium concentration of 115 mM. Which mechanism of ion uptake would best move sodium from the inside of the cell to the outside?

Which structure will form when a primitive cell engulfs an aerobic bacterium?

Which organelle can be compared to a security guard who decides whom may enter a building and whom may not?