CH4 voc Flashcards

1
Q

chem formula for monosacchride

A

(CH2OH)n

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2
Q

monosacchrides

A
have one molecule
fructose 
glucose
galactose
ribose
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3
Q

Glucose

A

most abundant carb

prod. by plants through photosynthesis

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4
Q

disaccharides

A

lactose
maltose
sucrose

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5
Q

lactose

A

Dissachride

glucose and galactose

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6
Q

Maltose

A

disaccharide

glucose and glucose

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7
Q

sucrose

A

Disaccharide

glucose and fructose

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8
Q

carb absorption in villi

A

Additional enzymes digest disac to mono

mono- absorbed into mucosa cells lining the small intestine then to bloodstream then to liver

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9
Q

carb absorption and release

A

Bdown fructose and galactose to glucose

if needed immediately for energy- glucose released to blood stream

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10
Q

carb storage

A

if glucose not needed it is stored as glycogen in liver and muscles

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11
Q

ratio of CHO in carb

A

CH2O

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12
Q

glucose role in cell

A

red blood cells
only use glucose for energy
used to maintain blood glucose

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13
Q

Insulin resistacnce

A

cell becomes less responsive to insulin
-When too much glucose inside cell- cell gets removs insulin receptors
cells stop making receptors preventing glucose into cell and causing hyperglycemia

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14
Q

Glycemic index

A
# associated with with particular type of food
that indicates the food's effect on a persons blood glucose.
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15
Q

Glycemic index

A
# ranges from 50-100
100 pure glucose
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16
Q

High glycemic food

A
70+ stop try to avoid
soda, jelly beans
wheat potato, baked potato
onions
watermelon
17
Q

Moderate glycemic food

A
55-69 use with caution
popcorn, energy bar
rice, pancakes
beets
banana, pineapple
18
Q

Low glycemic food

A
0-54 ideal to consume
pizza, pound cake
sweet potato, bagel
broccoli, carrots
cherries, oranges
yogurt custard
19
Q

GRAS

A

Generally recognized safe
set by FDA
any added substance substance in food

20
Q

fuel use by light exercise

A
  1. 5% fat

12. 5 % carbs

21
Q

Fuel use moderate exercise

A

45% carbs

55% fat

22
Q

fuel used by intense exercise

A

67% carbs

33% fat

23
Q

RDA for carbs

A

130 grams

24
Q

AMDR for carbs

A

45-65 % diet

25
Q

simple carbs

A

sugars

have one or two molecules

26
Q

Simple carbs lead to

A

tooth decay
Increase bad cholesterol
decrease good cholesterol
obesity and diabetes

27
Q

amylose

A

Straight chain of glucose

28
Q

Amylopectin

A

Branched chain of glucose

raises blood glucose faster the amylose

29
Q

glycemic load

A

Is a GI weighted measure of carb content

30
Q

Condensation RXN

A

chem reaction in which 2 or more molecules combine to form a larger molecule

31
Q

Hydrolysis

A

break down of chem compound into two simpler compounds by the addition of water

32
Q

Gluconeogenisis

A

Occurs when diet does not provide enough carbs.
body will make glucose from breakdown of body protns
AA cannot make new cells repair tissue
support imune system

33
Q

Gluconeogenisis causes

A

serious damage to heart liver kidneys

34
Q

ketosis

A

Alternate fuel source for brain
Bdown of stored fat during fasting
due to low carb intake

35
Q

Ketosis causes

A

ketoacidosis
increase blood acidity
enough energy form carbs prevents ketone prod

36
Q

Insulin resistance

A

cell doesn’t have enough insulin receptors because cells have been saturated with glucose