NBS Chemistry Carbs

Question 1

How many Kcals do carbs supply per gram?

Answer 1

4kcal/g

Question 2

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

Answer 2

Ketone

Question 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

Answer 3

Right

Question 4

What side would L (levorotatory) be associated with?

Answer 4

Left

L= Left

Question 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

Answer 5

B and D

Question 6

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

Answer 6

Fructose

Question 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

Answer 7

Loss of negative charges

*also can be the addition of positive charges

Question 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

Answer 8

C and D

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

Question 9

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

Answer 9

insulin

• the rest help to raise blood glucose levels

Question 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

Answer 10

Glucagon

Question 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

Answer 11

Insulin

Question 12

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

Answer 12

True

Question 13

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

Answer 13

inhibited

*you aint need no more energy

Question 14

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

Answer 14

inhibited

Question 15

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

Answer 15

inhibited

Question 16

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

Answer 16

inhibited

Question 17

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

Answer 17

Glycolysis
CAC
oxidative phosphorylation
pyruvate oxidation

Question 18

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

Answer 18

Glycosidic

Question 19

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

Answer 19

Glucose

Question 20

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

Answer 20

Maltose

*its a disaccharide with Alpha 1-4 bonds

Question 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

Answer 21

D
Glucose + Glucose

• the Maltose twins: Glu and Glu

Question 22

Trehalose consists of which of the following:
A. Glucose + Fructose
B. Glucose + Galacrose
C. Mushrooms
D. Glucose + Glucose

Answer 22

Mushrooms

Question 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

Answer 23

B

Glucose + Galactose

Question 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

Answer 24

A

Glucose + Fructose

Question 25

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

Answer 25

Ribose * is a pentose (5)

Question 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 ```

Answer 26

Alpha 1-4 *its linear

Question 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 ```

Answer 27

Alpha 1-4, Alpha 1-6

Question 28

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

Answer 28

Amylopectin A 1-4, A 1-6

Question 29

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

Answer 29

Cellulose

Question 30

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

Answer 30

Cellulose

Question 31

T/F Amylopectin is an example of animal stratch

Answer 31

False Its a plant starch animal starch=glycogen

Question 32

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

Answer 32

Sucrase

Question 33

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

Answer 33

Lactase

Question 34

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

Answer 34

Maltase

Question 35

T/F: The stomach aids in digestion of starches

Answer 35

False | the stomach does not do any Direct digestion of carbs

Question 36

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

Answer 36

Small intestine

Question 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 ```

Answer 37

Glycogenesis

Question 38

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

Answer 38

A and D Sorbitol and Fructose