Amino Acids Include a Side Group as Well as ______

question 31

Multiple Choice

Amino acids include a side group as well as ______.

• A) a central carbon, a hydrogen atom, an amino group, and a carboxyl group
• B) a central carbon, a hydrogen atom, a hydroxyl group, and a carbonyl group
• C) a central hydrogen, a nitrogen atom, a hydroxyl group, and a carbonyl group
• D) a central nitrogen, a carbon atom, an amino group, and a carbonyl group

---

Definitions:

Crossbridge

A structure formed when myosin heads in muscle fibers attach to actin filaments during muscle contraction.

Sarcoplasm

The cytoplasm of a muscle cell, containing organelles, including the mitochondria and sarcoplasmic reticulum.

Electromyograph

A diagnostic tool used to measure the electrical activity of muscles during contraction and at rest.

Action Potentials

Electrical impulses that travel along the membrane of a neuron or muscle cell, enabling the transmission of signals.