Unit Test — Unit test Answers

Which is a response by the skin that promotes the healing of a wound?

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 organelles are not found in plant cells?

A patient is in need of hydration. Which type of solution are the patient’s cells most likely in?

Review the image below.What is the function of this type of tissue?

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?

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 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?

Taking into consideration the function of the types of tissue and their integrated role in the how the body works, which types of tissue play a role in protecting the body from internal and external hazards?I. epithelialII. muscleIII. connectiveIV. nervous

The epidermis of the skin consists of many layers of tightly packed cells. The outermost layer of cells is dead. Which best describes why this occurs?

A new multicellular organism has been discovered, and scientists want to study the organism’s cell structures, including organelles. Which microscope should they use?

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

Which homeostatic process is characterized by the diffusion of only water molecules?

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?

Which microscope uses a probe to map atoms on the surface of a specimen?