Sympathetic Preganglionic Fibers Are ________ and Have ________ Axons

question 62

Multiple Choice

Sympathetic preganglionic fibers are ________ and have ________ axons.

• A) short; myelinated
• B) short; unmyelinated
• C) long; myelinated
• D) long; unmyelinated
• E) intermediate; small

---

Definitions:

Chloroplast

Organelle of photosynthesis in plants and photosynthetic protists. Light-dependent reactions occur at its inner thylakoid membrane; light-independent reactions, in the stroma.

Thylakoid Membrane

A membrane-bound structure within chloroplasts that contains chlorophyll, where the light-dependent reactions of photosynthesis occur.

Photosystems I and II

Components of the photosynthetic process in plants and algae, capturing light energy for ATP and NADPH production.

Thylakoid Membrane

A compartment enclosed by a membrane within chloroplasts and cyanobacteria, where light-dependent photosynthesis reactions take place.