Biology Ch. 7

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Where in the cell does photosynthesis occur?

Chloroplasts
Write the chemical equation of photosynthesis

Light + CO2 + H2O = Glucose & Oxygen
What are pigments?

They are molecules that absorb light.
What are carotenoids and how do they help plants?

Carotenoids are accessory pigments and they help by aborbing blue & green pigments.
Name 2 things that excited electrons from chlorophyll help generate.

NADPH & ATP
Where in the chloroplasts do the light-dependent reactions occur?

Thylakoid Membrane
Where does the energy come from to fuel the light-independent reactions?

From light-dependent reactions.
What does RuBisCO do for the cell?

RuBisCo captures CO2 & combines it w/ Ribulose to make an unstable 6 carbon molecule.
What do the photosystems do and where are they located?

They capture energy from light and are located in the Thylakoid Membrane.
Name 2 difference between photosystems I & II.

PS II splits water and occurs first.

PSI makes NADPH and occurs second.
What is added to CO2 to help generate glyceraldehyde-3-phosphate during the Calvin Cycle?

Ribulose!
Name5 producrs glyceraldehyde-3-phosphate can be used to make.
- Glucose
- DNA
- RNA
- ATP
- Lipids
- Amino Acids
- Recycles Ribulose
Describe what this picture is illustrating.

Photosynthesis and Aerobic Respiration rely on each other to function.
What makes plants green?

Chlorophyll
Where do Light-Independent reactions occur?

Stroma
Photosynthesis Cell
Light-Capturing Events: The Details

When a photon hits a pigment molcule, electrons are excited....

Electrons moves on to make ATP, the Chlorophyll needs another electron so it breaks down water and steals its electron. (Releases oxygen)

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Card Set

Biology Ch. 7

Description

Biology Chapter 7

Updated

2011-06-30T00:56:29Z

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