Which of the Following Statements Regarding Structural Proteins Is True $\beta$

question 9

Multiple Choice

Which of the following statements regarding structural proteins is true?

• A)silk fibroin is made from a repeat of three amino acids where each third amino acid is Gly
• B)\(\beta\)-keratin is composed of peptides that contain mostly \(\alpha\)-helical structure with the exception of short sequences where the peptide folds back on itself
• C)collagen has its own helical structure where three individual peptides are wound around each other in a left-handed helix
• D)generally speaking, structural proteins are soluble in water
• E)none of the above

---

Definitions:

High Cholesterol

A medical condition characterized by elevated levels of cholesterol in the blood, increasing the risk of heart disease and stroke.

Overconsumption

The excessive use of resources or consumption of goods beyond what is sustainable or necessary, often leading to environmental and economic imbalance.

Public Insurance

Insurance programs provided or mandated by the government to offer protection against certain risks to its citizens.

Budget Constraints

The limitations on the purchase of goods and services imposed by a budget, reflecting the trade-off between different goods given limited resources.