1.2.2

Question 1

What is the size of the ribosome used for eukaryotes?

Answer 1

80s ribosomes

Question 2

What organism is thought by some to be the product of a symbiotic origin between protozoan and green algae?

Answer 2

euglenoids

Question 3

Give three characteristics of euglenoids

Answer 3

chl a, b, carotenoids
no cell wall
paramylon carb reserve

Question 4

Why does the dinoflagellate look like some sorta space ship?

Answer 4

It has an unusual intermediate form of mitosis

Question 5

3 key features of dinoflagellates

Answer 5

1. Chl A, C, beta carotene and xanthophyll
2. two flagella held perpendicularly
3. cell wall of cellulose

Question 6

What are responsible for feeding zooplankton

Answer 6

dinoflagellates

Question 7

What is a major role that dinoflagellates play in coral reefs?

Answer 7

They provide glycerol to polyps in the coral

Question 8

What small organism is responsible for the phosphorescent biluminescence in midsummer blooms?

Answer 8

dinoflagellates

Question 9

What have red tides been known to cause, and what triggers them?

Answer 9

They are responsible for poisoning shellfish, and they are started by fertilizer runoff that drains into oceans

Question 10

Diatoms: what colouring?

Answer 10

CHL a, c carotenoids

Question 11

four things about diatoms

Answer 11

1-2 flagella
food reserve of laminarin starch
cell wall of cellulose and silica
Reproduction with shells

Question 12

What diatom is responsible for shellfish poisoning?

Answer 12

Pseudo-nitschia

Question 13

What is a distiguishing characteristic of haptophyta

Answer 13

2 primitive flagella (NOT 9+2)