Nutrition

Question 1

Calories are

Answer 1

a unit of energy

Question 2

what are the 3 main caloric contributors?

Answer 2

fat, protein, and carbohydrates

Question 3

Fat (lipids) are found as

Answer 3

fatty acids

Question 4

How many calories per gram do fats have

Answer 4

9

Question 5

carbohydrates include

Answer 5

simple sugars, starches and cellulose

Question 6

How many Calories per gram are in carbs?

Answer 6

4

Question 7

proteins are

Answer 7

complex chains of amino acids

Question 8

what is an enzyme?

Answer 8

a protein with a job

Question 9

how many calories per gram are in protein?

Answer 9

4

Question 10

keto(genic) diet

Answer 10

high fat, low carb

Question 11

paleo(lithic) diet

Answer 11

caveman diet, avoid grains and dairy products, more meat (muscle building)

Question 12

Adkins Diet

Answer 12

limiting carbs and total caloric intake

Question 13

Intermittent fasting

Answer 13

meal timing schedules, attempts to regulate your body’s utilization of stored energy

Question 14

The Kjeldahl Method

Answer 14

protein determination

Question 15

The Kjeldahl method is considered a

Answer 15

derivatization method because it does not directly analyze protein

Question 16

K-method advantages and disadvantages

Answer 16

simple and cheap equipment, but its not the most accurate and chemicals are harsh

Question 17

Bradford assay

Answer 17

protein determination

Question 18

The Bradford assay is considered

Answer 18

a colorimetric method

Question 19

B Assay- Advantages and disadvantages

Answer 19

fast and no harsh chemicals, more expensive equipment

Question 20

Dubois Method

Answer 20

Carbohydrate determination

Question 21

Dubois method is a

Answer 21

colorimetric, derivatization method

Question 22

D Method- advantages and disadvantages

Answer 22

fast and simple, harsh chemicals and carb matrix can cause errors

Question 23

Refractometry is

Answer 23

water soluble carb determination

Question 24

Refractometry advantages and disadvantages

Answer 24

cheap and fast, lower accuracy

Question 25

Soxhlet Extraction

Answer 25

fat determination

Question 26

S Extraction advantages and disadvantages

Answer 26

automated, other components can be extracted, harsh chemicals, energy intensive

Question 27

Bomb Calorimetry

Answer 27

tOTAL CALORIES

Question 28

Bomb Calorimetry advantages and disadvantages

Answer 28

quick and reproducible, only water is needed, requires specialty equipment, leaking or cracking will cause an explosion, doesnt work if samples have a lot of water

Question 29

Gas chromatography

Answer 29

separates mixtures based on boiling point and polarity

Question 30

Liquid chromatography

Answer 30

separates mixtures based on polarity, solubility, and molecular weight/volume

Question 31

mass spectrometry

Answer 31

used to analyze and identify components of a mixture

Question 32

How many calories are in one Calorie

Answer 32

1000 calories

Question 33

Amino acids are

Answer 33

building blocks of proteins

Question 34

Proteins are

Answer 34

large C,H,O,N compound that folds into due to attractions and repulsions between amino acids

Question 35

Tryglycerides

Answer 35

3 fatty acid chains and a glycerol

Question 36

Carbohydrates

Answer 36

C, H, O compound that is a good source of energy (1:2:1 ratio)