Which of the following statements regarding protein domains is true?
A) Each protein has one unique domain.
B) Multiple domains require multiple subunits and a quaternary structure.
C) A domain can be composed of smaller structural units called motifs.
D) A domain is a region absent of$\alpha$-helices and $\beta$-sheets.

Question

Quizplus · Accepted Answer

A domain can be composed of smaller structural units called motifs. This statement is true. Option A is incorrect as many proteins have multiple domains. Option B is incorrect as multiple domains can exist within a single protein subunit. Option D is incorrect as the mentioned structure is not a universally accepted characteristic of a domain.

Which of the Following Statements Regarding Protein Domains Is True α\alphaα

Which of the Following Statements Regarding Protein Domains Is True $\alpha$