__________May Have Evolved from Photosynthetic Cyanobacteria That Were Engulfed by Predatory

question 29

Short Answer

__________may have evolved from photosynthetic cyanobacteria that were engulfed by predatory prokaryotic cells.

---

Definitions:

Catalytic Cracking

A chemical process used in petroleum refineries to break down large, heavy hydrocarbon molecules into smaller, more useful ones, often utilizing a catalyst.

Line-Angle Structures

Simplified structural representations of molecules in organic chemistry using lines to represent chemical bonds and vertices to represent carbon atoms.

Hydrogenation

The chemical reaction of adding hydrogen to an organic compound, often used to convert unsaturated bonds to saturated ones.

Cyclobutene

A cyclic hydrocarbon molecule consisting of a ring of four carbon atoms connected by double and single bonds.