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9-19
n/a
21
Biology
Undergraduate 1
09/21/2013

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Cards

Term
what are guard cells responsible for?
Definition
opening and closing stomata
Term
what are 2 characteristics of a monocot?
Definition
1 cotyledon (seed leaf)
veins go in 1 direction
Term
what are 2 characteristics of a dicot?
Definition
2 cotyledons (seed leafs)
veins go in all directions
Term
what is an epidermis?
Definition
outer covering
Term
what does light behave as inside chlorophyll?
Definition
photons, discrete packets of E
Term
what happens to the electrons in chlorophyll as they absorb light?
Definition
they go into excited, unstable state
Term
what happens when the electrons in chlorophyll go back to ground state?
Definition
their E is released as heat
Term
what color did the spinach extract turn in UV light?
Definition
red
Term
where does the majority of the world's O2 come from?
Definition
blue/green bacteria in the ocean
Term
what is the product of the dark cycle?
Definition
glucose
Term
where does the CO2 that drives photosynthesis come from?
Definition
the atmosphere
Term
how many RuBP does the Calvin cycle start with?
Definition
3
Term
what combines with the 3 RuBP to turn into G3P?
Definition
CO2
Term
how many G3P are needed to make a molecule of glucose?
Definition
2
Term
what type of organisms cannot control their internal body temp?
Definition
exotherms
Term
what type of organisms can control their internal body temp?
Definition
endotherms
Term
what 3 kinds of organisms are ectotherms?
Definition
amphibians, reptiles, fish
Term
what 2 kinds of organisms are endotherms?
Definition
mammals, birds
Term
do endotherms or ectotherms produce more CO2?
Definition
endotherms
Term
at what temperature do ectotherms produce more CO2?
Definition
hot (higher temps)
Term
does algae produce more CO2 in the dark or in the light?
Definition
dark
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