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BIO-161-B > Exam 4: Biomolecules > Flashcards

Exam 4: Biomolecules Flashcards

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1
Q

which places are carbohydrates broken down? (3)

A
  1. mouth
  2. duodenum
  3. small intestine
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2
Q

which organ is not responsible for digestion of carbs?

A

stomach

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3
Q

which molecules are broken down in duodenum?

A

stomach

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4
Q

which molcules are broken down in duodenum? (2)

A
  1. disaccharides

2. peptides

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5
Q

what molecules are made as a result at the end of small intestine? (2)

A
  1. fatty acids

2. monoglycerides

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6
Q

through what type of transportation is glucose absorbed?

A

symport

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7
Q

how is glucose absorbed through the sodium-potassium pump?

A

cell reabsorbs sodium and glucose at the same time through the sodium-potassium pump

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8
Q

small intestine: transport of lipids: what structure holds bile salts?

A

micelles in intestinal lumen

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9
Q

small intestine: transport of lipids: 3 components of enterocytes

A
  1. bile salt
  2. fatty acids
  3. monoglycerides
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10
Q

transport of lipids: ____ coat suspends the triglycerides and form the chylomicron?

A

protein coat

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11
Q

transport of lipids: the protein coat suspends the ______ and form the chylomicron

A

triglycerides

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12
Q

transport of lipids: the protein coat suspends the triglycerides and form the ____

A

chylomicron

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13
Q

transport of lipids: what forms the micelles?

A

lumen

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14
Q

transport of lipids: what is an enterocyte?

A

intestinal epithelial cell

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15
Q

transport of lipids: where is chylomicron located?

A

lacteals (lymphatic vessels)

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16
Q

where do all nutrients go after absorption in the small intestine?

A

liver

17
Q

where are lipids absorbed?

A

lacteal (lymphatic vessels)

18
Q

3 types of lipoproteins in order from most to least % lipid

A
  1. VLDL
  2. LDL
  3. HDL
19
Q

how do amino acids enter the cell?

A

symport

20
Q

how do amino acids enter the liver??

A

capillary circulation

21
Q

5 ions that are actively transported

A
  1. sodium
  2. potassium
  3. calcium
  4. magnesium
  5. phosphate
22
Q

transport of lipids: what are micelles made of?

A

bile salts

23
Q

transport of lipids: what structure are protein coated?

A

chylomicrons

24
Q

transport of lipids: where are chylomicrons located?

A

enterocytes and lacteals

25
Q

transport of lipids: what are HDL, LDL, VLDL examples of ?

A

proteins, cholesterol, and phospholipids

26
Q

transport of lipids: where are HDL, LDL, VLDL located?

A

blood vessels

BIO-161-B (15 decks)

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