A Primary Difference Between Cyanobacteria and Purple and Green Phototrophic

question 25

Multiple Choice

A primary difference between cyanobacteria and purple and green phototrophic bacteria is

• A) Energy source.
• B) Color.
• C) Cell wall type.
• D) Electron donor for CO₂ reduction.
• E) Cell type.

---

Definitions:

Bruises

Marks on the skin resulting from blood leaking into the tissue, usually caused by trauma or injury.

Buttocks

The two rounded portions of the anatomy located on the posterior of the pelvic region.

Spanking

A form of discipline that involves striking the buttocks, often raising ethical and psychological concerns in child upbringing.

Document

A piece of written, printed, or electronic matter that provides information or evidence or that serves as an official record.