biology ch 8 study guide Flashcards
pigment
molecule that selectively absorbs light
main pigment of plants
chlorophyll
ATP
chemical energy for a cell
autotrophs and example of it
organisms that make their own food, example is plants
heterotrophs and example of it
organisms that get energy from the food they eat and fungi and animals
ultimate source of energy for all living things
the sun
how many phosphates are stored in ATP
3 phosphates
how many phosphates do ADP have
2 phosphates
is photosynthesis exothermic or endothermic and why
endothermic because it’s taking energy IN to build the glucose
what material coast epidermal cells to prevent excessive water loss
wax
where is ground tissue located in plants
between dermal and vascular tissue
where does most of photosynthesis take place in a plant
in the leaves
3 FACTORS THAT AFFECT THE RATE OF PHOTOSYNTHESIS
WATER LIGHT, AND TEMPERATURE
where do light dependent reactions take place
in the thylakoids
what is ATP synthase
enzyme that makes ATP
where do light independent reactions take place
in the stroma–empty space
what are light independent reactions called
the Calvin cycle
ultimate outcome of the calvin cycle
oxygen and glucose
why do plant leaves appear green
pigment chlorophyll which reflects green light
how do guard cells regulate the rate of transpiration based on temperature/environmental conditions
they stay closed during the hottest parts of the day to prevent water loss
what is transpiration
the loss of water through plant leaves
how does capillary action work with transpiration to keep water moving through the plant
plants use capillary action to move water through leaves
Carrier molecule
Molecule that can bind to high energy electrons and transport that energy to other locations
Equation for Photosynthesis
6C02+6H20 ====> C6H1206+602
Light
Carbon +water===> glucose to oxygen
dioxide
