The Most Common Motif Found in Membrane Spanning Proteins Is $\alpha$

question 36

Multiple Choice

The most common motif found in membrane spanning proteins is

• A) \(\alpha\) helices of nonpolar amino acids that pass through the membrane.
• B) \(\alpha\)helices of charged amino acids that form channels via extensive hydrogen bonding.
• C) a triple helix of \(\alpha\) helices.
• D) a helix-turn-helix arrangement of the peptide strands.
• E) None of the answers is correct.

---

Definitions:

Stepchild

A child of one’s spouse by a previous partner, who one does not biologically parent but may fulfill a parental role for.

Adult Children

Adults who are the offspring of their parents, often considered in the context of their relationship with their parents or their roles within a family.

Financial Assistance

Monetary support provided by governmental or private institutions to individuals or families in need, aimed at helping them manage their financial obligations or improve their living conditions.

Stepparents

Adults who become parents to their spouse's or partner's child from a previous relationship, without being the biological parents of the child.