1.2.2
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What is the size of the ribosome used for eukaryotes?
80s ribosomes
What organism is thought by some to be the product of a symbiotic origin between protozoan and green algae?
euglenoids
Give three characteristics of euglenoids
chl a, b, carotenoids no cell wall paramylon carb reserve
Why does the dinoflagellate look like some sorta space ship?
It has an unusual intermediate form of mitosis
3 key features of dinoflagellates
• Chl A, C, beta carotene and xanthophyll • two flagella held perpendicularly • cell wall of cellulose
What are responsible for feeding zooplankton
dinoflagellates
What is a major role that dinoflagellates play in coral reefs?
They provide glycerol to polyps in the coral
What small organism is responsible for the phosphorescent biluminescence in midsummer blooms?
dinoflagellates
What have red tides been known to cause, and what triggers them?
They are responsible for poisoning shellfish, and they are started by fertilizer runoff that drains into oceans
Diatoms: what colouring?
CHL a, c carotenoids
four things about diatoms
1-2 flagella food reserve of laminarin starch cell wall of cellulose and silica Reproduction with shells
What diatom is responsible for shellfish poisoning?
Pseudo-nitschia
What is a distiguishing characteristic of haptophyta
2 primitive flagella (NOT 9+2)