Question

Which substance covers the cell wall of phaeophyceae​

Answer 1

Answer:

In Phaeophyceae (brown algae) the cell walls are made up of microfibrils and are associated with alginic acid, fucoidin and cellulose.

Answer 2

Answer

The Cell wall of phaeophyceae is made up of cellulose which is usually covered by a gelatinous coating of algin.

Algin is a hydrocolloid which has good water holding capacity.

Know more :

$\bigstar$ Phaeophyceae are normally known as brown algae. They are found in marine habitats.

$\bigstar$ They possess the pigments like chlorophyll a and chlorophyll c.

$\bigstar$ Food is stored as complex carbohydrate in the form of alcoholic sugar known as mannitol.

$\bigstar$ There boby is simple, branched and filamentous.

$\bigstar$ Vegetative reproduction take place by fragmentation.

$\bigstar$ Asexual reproduction occurs with help of biflagellate zoospores.

$\bigstar$ Sexual reproduction may be oogamous. In oogamous species fusion occurs in water.