Bio 1500 - Exam 2 (Mizzou-Bush) Questions And Answers Rated A+ New Update Assured Satisfaction
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Bio 1500 -
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Bio 1500 -
what are the 4 postulates of natural selection? - 1. individuals vary in their traits
2. some of the variation is heritable
3. more offspring are produced than survive to reproduce
4. survival & reproduction are predictable; those with favorable traits reproduce most and pass their
genes to the...
Bio 1500 - Exam 2 (Mizzou-Bush)
what are the 4 postulates of natural selection? - 1. individuals vary in their traits
2. some of the variation is heritable
3. more offspring are produced than survive to reproduce
4. survival & reproduction are predictable; those with favorable traits reproduce most and pass their
genes to the next generation
what happens when a proton is absorbed by a molecule? - -it excites an electron into a higher
energy state
-the electron quickly drops to its ground state
-releases the energy as light at a longer wavelength
the process by which light energy is used to make food molecules from CO2 and water -
photosynthesis
where does photosynthesis take place? - in chloroplasts
where does photosynthesis take place? - in chloroplasts
molecules that absorb light of a particular wavelength or color - pigment
which wavelengths do chlorophyll absorb? - violet, blue and red wavelengths
when a substance absorbs light energy and re-emits it at a different wavelength - florescence
when light energy bounces of an object and is not absorbed - reflection
when chemical reactions generate light energy - bioluminescence
, why does isolated chlorophyll in a tube fluoresce red light, but a leaf doesn't? - in the leaf, the
chlorophyll is coupled to a series of chemical reactions that use the light energy. in the tube, it emits red
light due to a mixture with acetone
-recalling facts and basic concepts
-define, duplicate, list, memorize, repeat, state - remember
what are the four classes of organic molecules? - -carbohydrates
-lipids
-proteins
-nucleic acids
-composed of C, H, & O atoms
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