The Secondary Structure of a Protein Is the

question 44

Multiple Choice

The secondary structure of a protein is the

• A) configuration of those parts of the chain stabilized by a regular pattern of covalent bonds between C and O groups of the backbone of the chain.
• B) configuration of those parts of the chain stabilized by a regular pattern of hydrogen bonds between CO and NH groups of the backbone of the chain.
• C) specific order of amino acids in the chain.
• D) overall three-dimensional structure of the molecule.
• E) overall arrangement of several polypeptide chains into one functional unit.

---

Definitions:

Gametophyte

The sexual phase in the life cycle of plants and algae that produces gametes, typically haploid.

Integuments

Protective layers of tissue that cover the body or parts of plants or seeds, serving as a barrier against environmental stresses.

Angiosperms

A group of plants that have flowers and produce seeds enclosed within a carpel.

Megasporangium

A plant structure in which megaspores are formed, marking a crucial part of the life cycle in seed plants and ferns for reproduction.