Bio 1500 - Exam 2 (Mizzou-Bush) With Complete Solutions
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The process whereby light energy is converted into food molecules from CO2 and water
- ANSWER photosynthesis
where does photosynthesis take place? - ANSWER in chloroplasts
where does photosynthesis take place? - ANSWER in chloroplasts
molecules that absorb light of a specific wavelength or colour - ANSWER pigment
which wavelengths are absorbed by chlorophyll? - ANSWER violet, blue and red
wavelengths
when a substance absorbs light energy and re-emits it at a different wavelength -
ANSWER florescence
when light energy bounces of an object and is not absorbed - ANSWER reflection
when chemical reactions generate light energy - ANSWER bioluminescence
what happens when a proton is absorbed by a molecule? - ANSWER -it excites an
electron into a higher energy state
-the electron quickly drops to its ground state
collar releases the energy as light at a longer wavelength
, why does isolated chlorophyll in a tube emits red light whereas leaf does not? - ANSWER
in the leaf, the chlorophyll is coupled to a series of chemical reactions that make use of
the light energy. in the tube, it emits red light because of a mixture with acetone
-recalling facts and basic concepts
-define, duplicate, list, memorize, repeat, state - ANSWER remember
what are the four classes of organic molecules? - ANSWER -carbohydrates
-lipids
-proteins
-nucleic acids
-composed of C, H, & O atoms
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