Proteins and Nucleic Acids — Unit test Answers

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

What would most likely happen to plants if they did not have a waxy outer coating?

Where does a peptide bond form?

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?

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

In which part of the body is glycogen stored?

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

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?

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?

A lion eating a zebra is an example of which characteristic of life?

Which is abiotic?

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

What type of lipid is estrogen?

Which level of organization is characterized by a group of cells that work together to perform a common function?

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?