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Flashcards in Proteins Deck (68)
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1

What represent a diverse array of nitrogenous molecules in the body?

Proteins

2

What molecules is protein made up of?

Carbon, oxygen, hydrogen, and nitrogen

3

Does protein contain sulfur

Yes, but only occasionally

4

What are the building blocks of proteins?

Amino Acids

5

Do carbs contain nitrogen?

No

6

Do lipids contain nitrogen?

No

7

Do proteins contain nitrogen?

Yes

8

What is a type of pepsin that has two amino acids linked together?

Dipeptides

9

What is a type of pepsin that has three amino acids linked together?

Tripeptides

10

What is a type of pepsin that has a small number (5-50) of amino acids linked together?

Oligopeptides

11

What is a type of pepsin that has more than 50 amino acids linked together?

Polypeptides

12

What is a type of pepsin that has one or more polypeptides with complex structure?

Protein

13

How many amino acids make up all proteins?

20

14

How many essential amino acids are there?

9

15

Can essential amino acids be synthesized by the body?

No

16

Can nonessential amino acids be synthesized by the body?

Yes

17

What is an essential amino acid in lowest concentration in food or diet relative to body needs?

Limiting amino acid

18

What is the most satiating (filling) of all the macronutrients?

Protein

19

What are the different food sources of animal protein?

Dairy, meat, eggs, and fish

20

What are the different food sources of plant proteins?

Beans, nuts and grains

21

What are 3 factors of animal foods?

1. High quality
2. Highly digestible
3. Higher in fat

22

What are 3 factors of plant foods?

1. Low quality
2. Less digestible
3. Higher in carbs

23

What are the 2 factors that make a protein high quality?

1. They have complete proteins
2. They have sufficient amounts of the essential amino acids

24

What do incomplete proteins require?

Complementation

25

Which types of protein are the most digestible?

Dairy and meat

26

Which types of protein are the least digestible?

Foods that require cooking and other types of processing

27

What is the source range for the least digestible proteins?

70-85%

28

What are the components in foods that cause allergies ?

Proteins

29

What is an inappropriate immune response to a food protein that is often severe and can even be fatal?

Food Allergy

30

What is an inappropriate immune response to a food protein that is more mild and creates chronic problems?

Food Sensitivity