The $20$ standard amino acids are called $\alpha$-amino acids. Certain $\beta$-amino acids are found in nature. Draw the structure of $\beta$-alanine ($3$-amino- $n$-propionate).

Ketogenic Amino Acids

Which amino acids are exclusively ketogenic?

Considering the evidence that led Krebs to propose a cyclic pathway for the oxidation of pyruvate, discuss the type of experimental evidence that might have led to the realization of the cyclic nature of the glyoxylate pathway.

Certain nuclei with half-lives between days and a few years are found in nature in small abundances that do not change at all over many, many years. How is this possible?

Have a conversation with a grocery store manager, a department store manager, and a restaurant manager. Identify the types of products their customers are most likely to complain about and the nature of those complaints.

An electron is travelling parallel to a metal wire that carries an electric current. Discuss the nature of the force on the electron in terms of the frame of reference of: a) a proton stationary with respect to the wire b) the moving electron.

Use the rule of $78$ to find the finance charge refund in each of the following.

$$\begin{array}{lccc}\begin{array}{l}\text { Finance } \\ \text { charge }\end{array} & \begin{array}{c}\text { Number of } \\ \text { monthly payments }\end{array} & \begin{array}{c}\text { Remaining } \\ \text { payments }\end{array} & \begin{array}{c}\text { Interest } \\ \text { refund }\end{array}\\ \$ 467&12&5\end{array}$$

Imagine that you have a good credit rating and you want to buy a new car. Which would be the best place to get a loan for it, a bank, a consumer finance company, or a pawn shop?

A member of a credit union borrows $920 on a simple interest installment loan at 12% agreeing to repay it in 12 equal monthly payments of$81.74.

What was the total finance charge on the loan?

What formulas would you expect for the metal carbonyls of
(e) describe the probable nature of the bonding in the compound $\mathrm{Na}\left[\mathrm{V}(\mathrm{CO})_6\right.$ ?

Say whether each of the following is a rule, a strategy, or a payoff.

d. In rock-paper-scissors, you might always play rock.

Calculate the gross profit made by the business in this month.

Match the terms with the definitions.

a. capital

b. collateral

c. credit

d. creditor

e. debtor

f. deferred billing

g. finance charge

h. line of credit

__ The value of property you possess

What is your working hypothesis at this stage? Which tests could you use to confirm or refute your hypothesis?