00:01
Which of these is true of all algae? is it a? they have chlorophyll a.
00:07
B, they have cell walls that contain agar.
00:13
C, they have hordfasts.
00:15
Or d, they have red tides.
00:17
So, what do these mean? chlorophyll a is a photosynthetic molecule.
00:27
B, cell walls that contain agar.
00:29
Well, algae all have cell walls, but agar is a particular chemical that can be found in them.
00:36
Hodvasts are a type of structure that anchors the algae to a surface, and red tides is a name for the algal bloom that occurs with dynoflagellulops.
00:50
So which of these do all them have? they don't all have agar.
00:54
They all have cellulose, but then some of them have additional compound submissive walls, and agar is one of them...