Why Do Amide Bonds Exist as Reasonably Stable S-Cis or S-Trans

question 41

Multiple Choice

Why do amide bonds exist as reasonably stable s-cis or s-trans isomers at room temperature?

• A)These amide bonds are not stable.
• B)There is partial double bond character between the carbonyl carbon and the nitrogen atom.
• C)The oxygen atom is hydrogen-bonded with the nitrogen atom.
• D)The side-chains can form hydrogen bonds.

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Definitions:

Direct Method

A cash flow statement preparation method that shows the specific sources of operating cash receipts and payments.

Indirect Method

A financial reporting approach used in cash flow statements where net income is adjusted for non-cash transactions, depreciation, and changes in working capital to determine cash flow from operating activities.

Direct Method

A cash flow statement preparation approach that itemizes actual cash inflows and outflows from operating activities, as opposed to estimating them through indirect adjustments.

Expenses and Losses

Costs incurred in the operation of a business (expenses) and decreases in value not directly related to operations (losses).