Figure 40-1 ​ ​

question 45

Multiple Choice

Figure 40-1 ​

​
Refer to the accompanying figure. Which region of the skin is composed mainly of collagen fibers?

• A) 1
• B) 6
• C) 11
• D) 14
• E) 15

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Definitions:

Carbanionic Intermediate

A transient species in organic chemistry featuring a carbon atom bearing a negative charge; it plays a crucial role in various chemical reactions.

Stepwise Mechanism

A reaction mechanism in which the overall reaction occurs through a sequence of individual steps, each with its own transition state and intermediates.

Electrophilic Nitration Reaction

A chemical reaction that introduces a nitro group into an organic compound through electrophilic substitution, often involving benzene or other aromatic rings.

Friedel-Crafts Alkylation

A method in organic chemistry for adding alkyl groups to an aromatic ring, using a catalyst like aluminum chloride.