AP Bio Chapter 9 Photosynthesis Part 1.5 Flashcards
(21 cards)
Chloroplasts are ______________ for the process
Specialized
What are the middle cells in levels and what are they full of
Mesophyll cells, full of chloroplast, a site for photosynthesis
Shorter wave length =
High frequency, more energy
Where does chloroplast work and not work on the visible light scale
380-450nm, some 650-750
NONE 500-600 (green)
When does accessory pigment show
When the cell tries to pull back chlorophyll, but isn’t very successful, so pigments other than chloroplast are seen.
Sunlight contains how many wavelengths of visible light
Almost all
Does chloroplast absorb all wavelengths of light equally? What is this called
No, the absorption spectrum
When plants are exposed to light, where do chloroplasts preferentially absorb light
The blue and red parts of the spectrum
Where is the night part of the absorption spectrum in chlorophylls
Blue and red portions of indivisible light spectrum
The useful range of light
Action spectrum
When the accessory pigments expand the useful range of light, which is the least useful
Green
What are the two parts of photosynthesis and what do they do
Light dependent reactions absorb light and light independent reactions take this absorbed energy with CO2 and water to make sugar
Describe the process of photosynthesis in regards to building up/braking down and energy
Anabolic, endergonic
In photosynthesis, what is the redox process of water
Oxidized (the reducing agent)
In photosynthesis what is the redox process of carbon
Reduced (oxidizing agent)
Describe basic structure of chloroplast
Consist of a series of membranous disks (thylakoids) arranged in stacks (Grana) inside the inner membrane
Inner membrane
Stroma-fluid, space surrounding the grana
What do photosynthetic prokaryotes use to accomplish photosynthesis
Specialized cell membrane regions
Where do light dependent reactions occur and why
On the surface of the thylakoids because there is more surface area for sunlight to be absorbed
Where do light independent reactions occur
The stroma
Describe the redox reactions of the 2 part process of photosynthesis
Light dependent reactions reduce, go to independent reactions who oxidize to create sugar
What is the main production of light dependent reactions and what is used to drive these productions
ATP and NADH (an electron shuttle)
Light is used to drive this production. Water provides the electrons needed and is converted to oxygen gas (a waste product.)
