[Solved] How many genomes does an HIV particle have and what is their biochemical nature? A) two RNA molecules B) eight RNA molecules C) a DNA/RNA hybrid D) a single RNA molecule E) a DNA molecule and a noncomplementary RNA molecule Concentrated Laser Beam: A highly focused stream of light photons, which can be used for precise cutting, engraving, or medical procedures. Biopsy: The removal and examination of tissue samples from the body for diagnostic purposes, often to determine the presence or extent of a disease. Excision: The surgical removal of a foreign body or of tissue. Microscopic Examination: The detailed analysis of tiny objects or structures using a microscope to observe features not visible to the naked eye.