Gellidium and gracillaria comes under which type of algae?

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Answer

Rodophyceae is the answer

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Gellidium and gracillaria comes under red algae (rodophyceae).. agar agar is a hydrocollide is obtained from this algae.. it is used in the preparation of culture medium to grow microbes and preparation of ice creams and jellies..

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Gelidium and Gracilaria come under 'Rhodophyceae' - red algae

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Red algae...

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RED ALGAE

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Red alagae

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Gelidium and Gracilaria are types of red algae... from which a substance agar agar is obtained which is used in deserts and other items

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Gelidium and gracilarium comes under RED ALGAE.. r-phyceorythrin causes colour to red algae... they live marine and also warmer areas..

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It comes under red algae!!

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Red algae(Rhodophyceae)...

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Gellidium and Gracillaria: Types of Red Algae

Red algae, also known as Rhodophyta, are a diverse group of photosynthetic organisms that primarily inhabit marine environments. Gellidium and Gracillaria are two common genera of red algae that share several characteristics. Let's explore these algae in detail:

1. Gellidium:
- Gellidium is a genus of red algae that belongs to the family Gelidiaceae.
- They are commonly referred to as gelidium seaweed or agar-agar.
- Gellidium species are typically found in temperate and tropical regions along rocky coastlines.
- These algae have a branching, filamentous structure with flattened and narrow ribbon-like thalli.
- The thalli of Gellidium are typically red, pink, or purplish in color.
- They attach themselves to rocks or other submerged surfaces using a holdfast structure.
- Gellidium species are often used for the extraction of agar, a gelatinous substance that finds various applications in the food, pharmaceutical, and microbiological industries.
- Agar obtained from Gellidium is used as a solidifying agent in laboratories and as a vegetarian gelatin substitute in food products.

2. Gracillaria:
- Gracillaria is another genus of red algae, commonly known as gracilaria or red seaweed.
- It belongs to the family Gracilariaceae and is widely distributed in both tropical and temperate marine environments.
- Gracillaria species have a complex morphology, with thalli that can be either foliose (leaf-like) or filamentous.
- The color of Gracillaria species may vary from green to red, depending on the pigments present in their cells.
- These algae are primarily found in intertidal zones, attached to rocks or other substrates.
- Gracillaria is economically important as it is used for various purposes, including food, cosmetics, and the production of agar.
- In some regions, Gracillaria is cultivated on a large scale to meet the increasing demand for agar products.

Key Points:
- Gellidium and Gracillaria are two genera of red algae, also known as Rhodophyta.
- Gellidium species are used for agar extraction and have filamentous, ribbon-like thalli.
- Gracillaria species have complex morphology, with foliose or filamentous thalli, and are also utilized for agar production.
- Both Gellidium and Gracillaria are found in marine environments, with Gellidium predominantly in temperate and tropical regions and Gracillaria in a wider range of habitats.
- These algae play significant roles in various industries, including food, pharmaceuticals, and cosmetics.

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