Flashcards in NBS Chemistry Carbs Deck (38)
1
How many Kcals do carbs supply per gram?
4kcal/g
2
What structure would contain multiple OH- (hydroxyl) groups?
Ketone
3
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
Right
4
What side would L (levorotatory) be associated with?
Left
L= Left
5
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
B and D
6
Sorbitol is a sugar alcohol from glucose and converted to:
A. Mannose
B. Fructose
C. Galactose
D. Ribose
Fructose
7
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
Loss of negative charges
*also can be the addition of positive charges
8
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
C and D
during reduction you will have a gain in electrons and additions of hydrogen
9
Which of the following would not raise blood glucose?
A. Epinephrine
B. Glucagon
C. Insulin
D. Growth Hormone
insulin
* the rest help to raise blood glucose levels
10
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
Glucagon
11
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
Insulin
12
T/F: Glucocorticoids and thyroxine also help to raise blood glucose levels
True
13
When ATP is high, would glycolysis be stimulated or inhibited?
inhibited
*you aint need no more energy
14
When ATP is high, would the citric acid cycle be stimulated or inhibited?
inhibited
15
When ATP is high, would oxidative phosphorylation be stimulated or inhibited?
inhibited
16
When ATP is high, would pyruvate oxidation be stimulated or inhibited?
inhibited
17
The big 4 systems that have low activity when ATP is high are?
(GCPP)
Glycolysis
CAC
oxidative phosphorylation
pyruvate oxidation
18
Carbohydrates are bonded by what type of bonds?
A. Peptide
B. Hydrogen
C. Glycosidic
Glycosidic
19
which of the following has 6 carbons and is found in dextrose?
A. Maltose
B. Mannose
C. Glucose
D. RIbose
Glucose
20
Which of the following is NOT a monosaccaride?
A. Glucose
B. Ribose
C. Maltose
D. Sorbitol
E. Fructose
Maltose
*its a disaccharide with Alpha 1-4 bonds
21
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
D
Glucose + Glucose
* the Maltose twins: Glu and Glu
22
Trehalose consists of which of the following:
A. Glucose + Fructose
B. Glucose + Galacrose
C. Mushrooms
D. Glucose + Glucose
Mushrooms
23
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
B
Glucose + Galactose
24
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
Glucose + Fructose
25
Which of the following would contain 5 carbons and be present in nucleic acids?
A. Ribose
B. Glucose
C. Fructose
D. Mannitol
Ribose
* is a pentose (5)
26
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
Alpha 1-4
*its linear
27
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
Alpha 1-4, Alpha 1-6
28
Which of the following would have the same bond sturctures as glycogen?
A. Cellulose
B. Amylose
C. Amylopectin
D. Maltose
Amylopectin
A 1-4, A 1-6
29
Which of the following would have a polysaccharide with Beta 1-4 bonds?
A. Glycogen
B. Amylose
C. Amylopectin
D. Cellulose
Cellulose
30
Which of the following would be not digestible and found in plants?
A. Glycogen
B. Amylose
C. Amylopectin
D. Cellulose
Cellulose
31
T/F Amylopectin is an example of animal stratch
False
Its a plant starch
animal starch=glycogen
32
Which enzyme would help in the breakdown to glucose and fructose?
A. Maltase
B. Sucrase
C. Lactase
Sucrase
33
Which enzyme would help in the breakdown to glucose and galactose?
A. Maltase
B. Sucrase
C. Lactase
Lactase
34
Which enzyme would help in the breakdown to glucose and glucose?
A. Maltase
B. Sucrase
C. Lactase
Maltase
35
T/F: The stomach aids in digestion of starches
False
the stomach does not do any Direct digestion of carbs
36
Where would you find enzymes like Maltase, Sucrase, and Lactase?
A. Mouth
B. Large intestine
C. Small intestine
D. Stomach
Small intestine
37
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
Glycogenesis
38