bio7photo
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- example of an autotroph
- pine tree
- photsynthesis contributes to plant growth by taking in?
- taking in carbon dioxide and making sugars (carbohydrates)
- what organelle does photosynthesis take place in?
- chloroplast
- function of stomata?
- gas exhange
- what structure do plants obtain their water from?
- roots
- what is the name is given to membranous sacs found within a chloroplast?
- thylakoids
- What are grana?
- stacks of membranous sacs
- If you provided your shade-tolerant plants with their prefered wav
- e
- lenght of light, but only minimial amounts of water, what would happen with the plants?
- plant production of ATP would be DECREASED.
- equation of photosynthesis
- 6 CO2 + 6 H20 arrow C6+ 6 O2
- redox reations transfer electrons from_____ to _____
-
water to carbon dioxide
h20 to co2 - the light reactions of photosynthesis convert ____ energy to ____ energy
- solar energy to chemical energy
- the calvin cycle requires ________ and _______ from the light-dependent reactions in order to operate.
- ATP and NADPH
- the products of light reactions of photosynthesis are?
- atp and nadph
- the color we see when looking at a pigmented object is
- the wavelenghts that are REFLECTED or TRANSMITTED by the pigmented object
- if a plant is blue what color is the reflected wavelenght?
- blue
- what color of energy wavelenghts is least useful to photosynthesis?
- green
- what is responsible for yellow-orange leaves
- carotenoids
- why do plants have pigment molecules such as chlorophyll b and carotenoids? what is there purpose?
- to absorb energy in parts of electromagnetic spectrum that chlorphyl a CANNOT
- name for a discrete packet of light?
- photon
- the shorter the wavelength of visible light,the ______
- greater the energy
- when a molecule absorbs a photon its electrons are raised to what state?
- the EXCITED state
- what are the ways that a molecule releases energy gained by absorption of a photon?
- heat, fluroescence, light, and loss of an electorn.
- where are photsystems located?
- thylakoid membrane
- what compound is found at the REACTION CENTER of a Photosystem?
- chlorophyl a
- light reactions of photsynthesis take place?
- thylakoid membrane
- name the source that is responsible for oxygen gas released by a photosystem?
- h2o water
- what source is responsible for electrons for light reactions
- water h20
- electron trasport chain are found in both?
- cellular respiration and light reactions of photosynthesis
- an H+ ion forms across the?
- thylakoid membrane
- the calvin cycle uses what three processes to make sugar?
- carbon dioxide co2, ATP, and NADPH
- co2 atp and nadph make what?
- sugar
- how do c4 plants conserve water?
- keeping their stomata CLOSED when the weather is HOT or DRY
- how do cam plants conserve water?
- by only OPENING their stomata at NIGHT
- the last stage of the calvin cycle involves?
- regeneration of RUBP
- if a herbecide blocked the calvin cycle before g3p what would happen to the plant?
- NO sugar would be made by the plant
- if you provide your plants with their correct wavelenght but only minimal water, what would happen?
- plants will produce a decreased amount of ATP