Cell Homeostasis — Unit test Answers

Which is a function of the cell membrane?

Read the following information from a Material Safety Data Sheet (MSDS) about the chemical hydrochloric acid (HCl).“Skin Contact: In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention immediately.”Based on this information, which is the most important thing to do right away if a student spills HCl on his shirt?

Jun is at risk for heart disease so he is watching his cholesterol levels. He refers to the table below to choose what is best for his health.Comparison Chart of Fats Food (14 g)Saturated Fat (g)Monounsaturated Fat (g)Polyunsaturated Fat (g)Butter7.93.70.5Cream cheese3.01.50.2Margarine1.65.43.4Peanut butter1.44.02.6Which snack is the healthiest option for Jun, based on the data in the table?

Lactose (milk sugar) is a carbohydrate that is formed by combining galactose and glucose. Which term best describes this molecule?

A Venn diagram can be used to compare and contrast nucleic acids.Which characteristic would be correctly found in B?

A doctor suspects that one of her patients has a deficiency in one of the six key elements found in living organisms. He has low energy and extremely weak, soft bones. Based on this information alone, which nutrient supplement will she most likely prescribe?

In which part of the body is glycogen stored?

What scientific knowledge about macromolecules is a direct result of Gerardus Johnannes Mulder’s 1838 discovery?

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?

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

A scientist is working with methane (CH4) and butane (C4H10). Which statement best compares these chemicals?

The diagram shows a simple lipid.What type of lipid is shown?

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?

There are more hydrogen atoms in living organisms than any other atom, but oxygen is more abundant in terms of mass. Why is this statement true?