Dendrites

question 21

Multiple Choice

Dendrites

• A) are usually the longest nerve fibers.
• B) are covered with a myelin sheath.
• C) receive signals from sensory receptors or other neurons.
• D) generate nerve impulses.
• E) are longer and less numerous than axons.

---

Definitions:

Protein

Complex molecules made up of amino acids that are essential for various bodily functions, including tissue repair, nutrient transport, and enzyme activity.

Cytoplasmic Receptor

A type of receptor found within the cytoplasm of a cell that binds to specific ligands, leading to changes in cell function.

Chemical Signal

Molecule that binds to a macromolecule, such as receptors or enzymes, and alters their function; also called ligand.

Nuclear Concentration

Nuclear concentration refers to the density of atomic nuclei in a given volume area, often relevant in nuclear physics and related scientific research areas.