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Chemistry GroupMe > Carbohydrates > Flashcards

Carbohydrates Flashcards

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1
Q

What is the suffix for carbohydrates?

A

-ose

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2
Q

How many sugar units are in a monosaccharide? Disaccharide? Polysaccharide?

A

One
Two
Multiple

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3
Q

What are the two types of sugars?

A

Simple and Complex sugars

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4
Q

T/F Complex sugars are easy to break down.

A

False. Simple sugars are easily broken down while complex sugars are more difficult to break down

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5
Q

What carbonyl type is this sugar?

A

Aldose

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6
Q

What carbonyl type is this sugar?

A

Ketose

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7
Q

Which hydroxyl group do you look at when determining the type of stereoisomer for a carbohydrate?

A

The last Hydroxyl group (NOT the very BOTTOM hydroxyl, but the last hydroxyl on dash)

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8
Q

Are D or L type of sugars natural?

A

D sugars

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9
Q

If the last hydroxyl group is on the right side what stereoisomer is the carb?

A

D- sugar

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10
Q

If the last hydroxyl group is on the left side what stereoisomer is the carb?

A

L-sugar

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11
Q

How do you name carbohydrates?

A
  1. Determine if there’s an aldehyde (aldose) or ketone (ketose)
  2. Count the number of carbons
  3. Determine D or L
    Ex: Aldotriose (D), Ketopentose (L)
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12
Q

What is the name of this carb? Is it D or L?

A

Aldohexose; D

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13
Q

What is the name of this carb? Is it D or L?

A

Ketohexose: D

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14
Q

What is the name of this carb? Is it D or L?

A

Aldopentose; D

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15
Q

What is the name of this carb? Is it D or L?

A

Aldopentose; L

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16
Q

What is the name of this carb? Is it D or L?

A

Aldohexose; D

17
Q

What is the name of this carb? Is it D or L?

A

Aldopentose; D

18
Q

What is the name of this carb? Is it D or L?

A

Aldopentose; L

19
Q

How do you know if a carb is the alpha anomer vs. a beta anomer?

A

Alpha anomer = the first hydroxyl group is facing down
Beta anomer = the first hydroxyl group is facing up

20
Q

What holds multiple saccharides together?

A

Glycosidic bond

21
Q

Chitin

A
22
Q

Cellulose

A
23
Q

Amylose

A
24
Q

Amylopectin

A
25
Q
A

Chitin

26
Q
A

Cellulose

27
Q
A

Amylose

28
Q
A

Amylopectin

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