Lecture 2: Plants Flashcards

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1
Q

Cyanobacteria

A

Use chlorophyll a and produce O2

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2
Q

Photosynthesis

A

CO2 +H2O (+ light energy) –> sugar + O2

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3
Q

Primary endosymbiosis

A

A Cyanobacteria was engulfed. Chloroplast has two membranes

This produced the first photosynthetic eukaryotes

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4
Q

Secondary endosymbiosis

A

A eukaryote engulfed a eukaryotic algal ( red or green) cell which became chloroplast

In these organisms, the chloroplast has three membranes

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5
Q

Euglenoids

A

Secondary endosymbiosis where green algae are the endosymbionts

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6
Q

Stramenopiles

A

Secondary endosymbiosis where red algae are the endosymbionts

(Brown algae, golden brown algae, diatoms)

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7
Q

Dinoflagellates

A

Secondary and tertiary endosymbiosis

Still produce characteristic red algal pigments (secondary) and have proper chloroplasts derived from brown algae (tertiary)

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8
Q

Plantae

A

That Claude ( of eukaryotic life) with chloroplasts derived from primary endosymbiosis

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9
Q

Red algae

A
  • Vary from single-celled to elaborate branched multicellular organisms
  • They have cellulose cell walls
  • They only have chlorophyll a (like Cyanobacteria)
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10
Q

Green plant

A
  1. Eukaryote with chloroplasts derived from primary endosymbiosis (same as all plants
  2. Chloroplasts with chlorophyll a and b
  3. Store carbohydrates as starch
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11
Q

Photoautotrophes

A

Perform photosynthesis; use CO2 as carbon source

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