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BIOL 1301 EXAM 2 REVIEW QUESTIONS AND VERIFIED ANSWERS

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BIOL 1301 EXAM 2 REVIEW QUESTIONS AND VERIFIED ANSWERS

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What is cholesterol?


Give this one a try later!


buffer in cell membrane




What are grains? Examples?

,Give this one a try later!


cereal grains = seeds of domesticated grasses (what helps a grass cont.
growing)

EXs: Rice, corn, wheat, oats, rye, barley, etc


NOT EXs: quinoa, buckwheat, amaranth




Watermelon has a GI of 72. A cup of watermelon cubes (about 150g) has 11 g of
carbohydrates. If one eats twice as much watermelon (2 cups), the load is going to be
twice as heavy. The GI stays the same (72) but the number of grams of carbohydrates
doubles (22 grams in two cups). Calculate the GL.


Give this one a try later!


72 x 22 = 1, = 15.84 --> round up to 𝟭𝟲




What are some toxic proteins?


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> gluten
- 2 things can happen
1) Gluten Intolerant
- EX: brain fog
2) Gluten Allergy (immune response)
- Celiac disease (immune reaction to gluten): inflammation & vili are eroded
(no longer projections > can't absorb nutrients anymore) = overtime bad

> prions
- Mad cow
- Jakobs one = mad cow in humans

, - Kuru
- Toxic to everyone, effect next person if exposed (don't eat brains)




Sterols: structure & normal function/use


Give this one a try later!


> structure: (image) typically saturated


> function/use:
- cholesterol
- signaling, buffering
- hydrophobic




Phospholipids: structure & normal function/use


Give this one a try later!




> structure: (image) unsaturated or saturated

> function/use: cell membrane




What's the monomer of proteins (polypeptide)?


Give this one a try later!


> amino acids
- Translation: Process of putting together synthesized protein
- tRNA: RNA that brings in amino acid to growing polymeric chain

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