Classify each of the following types of lipids as (1) an energy-storage lipid (2) a membrane lipid (3) an emulsification lipid or (4) a messenger lipid.

a. Bile acids b. Cholesterol c. Eicosanoids d. Sphingophospholipids

In a four-child family, what is the expected number of boys? (Assume that the probability of a boy being born is the same as the probability of a girl being born.)

Find the distance between the given points. (-1, 3) and (4, 9)

A person standing barefoot on the ground 20 m from the point of a lighting strike experiences an instantaneous potential difference of 300 V between his feet. If we assume a skin resistance of $1.0 \mathrm { k } \Omega$, how much current goes up one leg and back down the other?

Complete the sentence in a way that shows you understand the meaning of the italicized vocabulary word.

The $impecunious$ family experienced a change in lifestyle when ..

Use the graph of the function f to decide whether the quantity exists. If it does, find it. If not, explain why.

$$f(4)$$

Does an acidic solution contain hydroxide ions? Explain your answer with a diagram.

A dime has a mass of 2.268 grams. Round the mass of the dime to 3 significant digits.

Complete the table about lipids.\

Ramon needs 12 oranges to make 3 glasses of juice. How many oranges does he need to make 5 glasses? How many oranges does he need to make 8 glasses? You can make a table to show ratios of the number of oranges to the number of glasses of juice.

$$\begin{matrix} \text{Number of Oranges} & \text{4} & \text{8} & \text{12} & \text{16} & \text{20} & \text{24} & \text{28} & \text{32}\\ \text{Number of Glasses} & \text{1} & \text{2} & \text{3} & \text{4} & \text{5} & \text{6} & \text{7} & \text{8}\\ \end{matrix}$$

Ramon needs 20 oranges to make 5 glasses of juice. Ramon needs 32 oranges to make 8 glasses of juice. What is the unit rate? Explain what it means in this situation.

The amino acid methionine, which is essential in human diets, has the molecular formula $\mathrm{C}_5 \mathrm{H}_{11} \mathrm{NO}_2 \mathrm{~S}$. Determine the number of moles of $\mathrm{H}$ atoms per mole of methionine

List five things a person should do if he or she has been sexually assaulted.

Find the distance between the given points. (-2, 1) and (10, 6)

Approximate $(0.9)^4$ by using the first three terms in the expansion of $(1-0.1)^4$, and compare your answer with that obtained using a calculator.