Cyanobacteria, Gram Positive, Gram Negative

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Information on Cyanobacteria

Habitat

Aquatic

Chlorophyll Type

A

Phycobilins

Good at absorbing light, allows bacteria to live in the ocean

Phycocyan

absorbs blue light, deep ocean

Phycoerythrin

absorbs red light, deep ocean

Chroloplasta / Organelles

None

Thylakoids

Keeps chlorophyll a, is a membrane bound sac

Sheath

Gel like material, prevents oragnism from drying out

Heterocyst

Larger part of the "string" of beads, keeps all the enzymes for Nitrogen fixation. "Fixes" inorganics to organics.

Blooms

So many grow together they discolour water. Can be toxic. Health related issues. Detergents (Phosphates) help them grow.

Proteobacteria (Gram Negative)

Ecoli

Firmicutes (Gram Positive)

Staphylococus Aureus

Cell Walls

Contain murein

Cell Membrane

Ester linked

Anabena

Shape, string of pearls

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