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Mizzou Bio 1020 Exam 2 With Verified Solutions
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Mizzou Bio 1020 Exam 2 With Verified Solutions...
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Mizzou Bio 1020 Exam 2 With Verified Solutionswhen light encounters an object - ANSWER 1. be absorbed
2. be transmitted
3. be reflected
contain MOST energy - ANSWER purple & blue wavelenghts
lowest amt. of energy with longest wavelengths - ANSWER red wavelengths
is ALL light is reflected - ANSWER object appears WHITE
if ALL light is absorbed - ANSWER object appears BLACK
pigments - ANSWER molecules that absorb energy
paper chromatography - ANSWER separating by weight
chlorophyll a - ANSWER blue/green, in middle (PRINCIPAL PIGMENT)
chlorophyll b - ANSWER an accessory green pigment, on bottom
FT50 - ANSWER 1/FT(50%)
leaf structure - ANSWER
, cuticle - ANSWER waxy layer on top, prevents water loss
epidermis - ANSWER provides PROTECTION
palisade layer - ANSWER closely-packed cells, main area of photosynthesis,
PRODUCES MOST OXYGEN
spongy layer - ANSWER loosely-packed, responsible for GAS EXCHANGE WITHIN LEAF
stroma - ANSWER OPENING in leaf, GAS EXCHANGE IN/OUT OF LEAF (INTERIOR)
guard cells - ANSWER REGULATE THE OPENING. inside is HYPERTONIC.
metabolism - ANSWER sum of all chemical reactions in the body
endosperm - ANSWER food source for developing plant embryo
spiracles - ANSWER small opening in body walls through which AIR ENTERS (connect to
trachea)
trachea - ANSWER "windpipe" air tube leading from mouth to chest cavity (oxygen
moves faster through trachea) (carries oxygen to lungs)
epiglottis - ANSWER flap at top of trachea that prevents food from entering/blocking air
pathway
alveoli - ANSWER division of small air sacs of lungs, increases the SA:V ratio
capillaries - ANSWER surround alveoli
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