The Reaction P + E^- → + E⁺ is

question 20

Multiple Choice

The reaction p + e^- → + e⁺ is not possible because

• A) baryon number is not conserved.
• B) lepton number is not conserved.
• C) charge is not conserved.
• D) energy is not conserved.
• E) This reaction IS possible.

---

Definitions:

Centrioles

Cylinder-shaped organelles found in the cells of animals and most algae that help in the organization of spindle fibers during cell division.

Intracellular Digestion

A metabolic process where cells break down nutrients within their internal structures, such as lysosomes, to obtain energy and building blocks.

Lysosomes

Membrane-bound organelles in the cytoplasm of most cells containing enzymes that break down biological polymers.

Golgi Apparatus

A cell organelle that modifies, sorts, and packages proteins and lipids for transport or secretion.