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B2 > NBS Chemistry Carbs > Flashcards

NBS Chemistry Carbs Flashcards

1
Q

How many Kcals do carbs supply per gram?

A

4kcal/g

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2
Q

What structure would contain multiple OH- (hydroxyl) groups?

A

Ketone

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3
Q

D & L configuration differ in which side the farthest asymmetrical carbon is from the keto group. If you had a D (Dextrorotatory) configuration which side would the hydroxy be on?
A. Left
B. Right

A

Right

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4
Q

What side would L (levorotatory) be associated with?

A

Left

L= Left

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5
Q 
Simple carbs are sweet and contain 1-2 sugars. Which of the following are examples of simple carbs?
A. Polysaccaride
B. Monosaccharide
C. Cellulose
D. Disaccharide 
E. B and D
A

B and D

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6
Q 
Sorbitol is a sugar alcohol from glucose and converted to:
A. Mannose
B. Fructose
C. Galactose
D. Ribose
A

Fructose

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7
Q 
During oxidation which of the following is TRUE:
A. Decreasing positive charges
B. Loss of negative charges
C. Gain of electrons
D. Addition of Hydrogens
A

Loss of negative charges

*also can be the addition of positive charges

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8
Q 
During Reduction which of the following is TRUE:
A. Decreasing positive charges
B. Loss of negative charges
C. Gain of electrons
D. Addition of Hydrogens
E. C and D
A

C and D

during reduction you will have a gain in electrons and additions of hydrogen

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9
Q 
Which of the following would not raise blood glucose?
A. Epinephrine
B. Glucagon
C. Insulin
D. Growth Hormone
A

insulin

  • the rest help to raise blood glucose levels
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10
Q 
Which of the following is secreted from alpha cells of the pancreas in a response to low blood glucose levels?
A. Epinephrine
B. Glucagon
C. Insulin
D. Growth Hormone
A

Glucagon

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11
Q 
Which of the following is secreted from Beta cells of the pancreas in a response to High blood glucose levels?
A. Epinephrine
B. Glucagon
C. Insulin
D. Growth Hormone
A

Insulin

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12
Q

T/F: Glucocorticoids and thyroxine also help to raise blood glucose levels

A

True

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13
Q

When ATP is high, would glycolysis be stimulated or inhibited?

A

inhibited

*you aint need no more energy

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14
Q

When ATP is high, would the citric acid cycle be stimulated or inhibited?

A

inhibited

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15
Q

When ATP is high, would oxidative phosphorylation be stimulated or inhibited?

A

inhibited

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16
Q

When ATP is high, would pyruvate oxidation be stimulated or inhibited?

A

inhibited

17
Q

The big 4 systems that have low activity when ATP is high are?
(GCPP)

A

Glycolysis
CAC
oxidative phosphorylation
pyruvate oxidation

18
Q

Carbohydrates are bonded by what type of bonds?
A. Peptide
B. Hydrogen
C. Glycosidic

A

Glycosidic

19
Q 
which of the following has 6 carbons and is found in dextrose?
A. Maltose
B. Mannose
C. Glucose
D. RIbose
A

Glucose

20
Q 
Which of the following is NOT a monosaccaride?
A. Glucose
B. Ribose
C. Maltose
D. Sorbitol
E. Fructose
A

Maltose

*its a disaccharide with Alpha 1-4 bonds

21
Q 
Maltose has an alpha 1-4 bond and consists of which of the following:
A. Glucose + Fructose
B. Glucose + Galacrose
C. Mushrooms
D. Glucose + Glucose
A

D
Glucose + Glucose

  • the Maltose twins: Glu and Glu
22
Q 
Trehalose consists of which of the following:
A. Glucose + Fructose
B. Glucose + Galacrose
C. Mushrooms
D. Glucose + Glucose
A

Mushrooms

23
Q 
Lactose has an Beta 1-4 bond and consists of which of the following:
A. Glucose + Fructose
B. Glucose + Galacrose
C. Mushrooms
D. Glucose + Glucose
A

B

Glucose + Galactose

24
Q 
Sucrose has an alpha 1-4 and Beta 1-4 bonds and consists of which of the following:
A. Glucose + Fructose
B. Glucose + Galacrose
C. Mushrooms
D. Glucose + Glucose
A

A

Glucose + Fructose

25
Q 
Which of the following would contain 5 carbons and be present in nucleic acids?
A. Ribose
B. Glucose
C. Fructose
D. Mannitol
A

Ribose

  • is a pentose (5)
26
Q 
What type of bonds does amylose contain:
A. Alpha 1-6
B. Beta 1-6
C. Alpha 1-4, Beta 1-6
D. Alpha 1-4
A

Alpha 1-4

*its linear

27
Q 
What type of bonds does glycogen contain:
A. Alpha 1-6
B. Beta 1-6
C. Alpha 1-4, Beta 1-6
D. Alpha 1-4, Alpha 1-6
A

Alpha 1-4, Alpha 1-6

28
Q 
Which of the following would have the same bond sturctures as glycogen?
A. Cellulose
B. Amylose
C. Amylopectin
D. Maltose
A

Amylopectin

A 1-4, A 1-6

29
Q 
Which of the following would have a polysaccharide with Beta 1-4 bonds?
A. Glycogen
B. Amylose
C. Amylopectin
D. Cellulose
A

Cellulose

30
Q 
Which of the following would be not digestible and found in plants?
A. Glycogen
B. Amylose
C. Amylopectin
D. Cellulose
A

Cellulose

31
Q

T/F Amylopectin is an example of animal stratch

A

False
Its a plant starch

animal starch=glycogen

32
Q

Which enzyme would help in the breakdown to glucose and fructose?
A. Maltase
B. Sucrase
C. Lactase

A

Sucrase

33
Q

Which enzyme would help in the breakdown to glucose and galactose?
A. Maltase
B. Sucrase
C. Lactase

A

Lactase

34
Q

Which enzyme would help in the breakdown to glucose and glucose?
A. Maltase
B. Sucrase
C. Lactase

A

Maltase

35
Q

T/F: The stomach aids in digestion of starches

A

False

the stomach does not do any Direct digestion of carbs

36
Q 
Where would you find enzymes like Maltase, Sucrase, and Lactase?
A. Mouth
B. Large intestine
C. Small intestine
D. Stomach
A

Small intestine

37
Q 
Which of the following is not one of the 4 catabolic pathways:
A. Glycolysis
B. Oxidative phosphorylation
C. Pyruvate oxidation
D. Citric acid cycle
E. Glycogenesis
A

Glycogenesis

38
Q 
Which 2 monosacchrides would be found in fruits and honey?
A. Sorbitol
B. Mannitol
C. Ribose
D. Fructose
A

A and D

Sorbitol and Fructose

B2 (31 decks)

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