Protein Flashcards

1
Q

Proteins are made up of-

A

Amino Acids

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2
Q

Proteins can serve in-

A

Transport, storage, or membranes

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3
Q

There are how many distinct amino acids?

A

20

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4
Q

Enzymes are a type of-

A

Protein

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5
Q

Enzymes are catalysts in-

A

biochemical reactions (like digestion)

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6
Q

Proteins have different-

A

Shapes and molecular weights

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7
Q

Antibodies, enzymes, muscle proteins, and proteins in the skin are all made up of-

A

Amino Acids

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8
Q

What are non-essential amino acids?

A

Amino acids that the body produces.

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9
Q

How many non-essential amino acids are there?

A

11

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10
Q

Essential amino acids are amino acids that the body-

A

Doesn’t produce itself

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11
Q

How many essential amino acids are there?

A

9

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12
Q

What is used to prioritize protein sources by applying a score (up to 100) based on digestibility and amino acid variety?

A

PDCAAS (Protein-Corrected Amino Acid Score)

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13
Q

When observing the PDCAAS, the higher the score-

A

The more digestible and diverse the amino acids in the food source

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14
Q

What are some things that contain complete proteins?

A

Eggs, tuna fish, peanut butter, almonds, etc.

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15
Q

What are some things that contain incomplete proteins?

A

Spinach, beans, wheat germ. (Most plant-based proteins)

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16
Q

How much of the body is made up of protein?

A

8-15%

17
Q

Meat, poultry, fish, eggs, and milk products are all considered-

A

Complete proteins

18
Q

A complete protein has a low PDCAAS score.

True or false?

A

False, they have a high score

19
Q

A incomplete protein has a low PDCAAS score.

True or false?

A

True

20
Q

Complimentary Proteins=

A

Food sources that work together to provide all essential amino acids

21
Q

Does the body store excess amino acids?

A

No, so it’s vital that our body gets all of the amino acids needed every day.

22
Q

What proteins serve as the scaffolding of the body and are therefore important for the structure of tissues?

A

Collagen, Elastin, Fibrin, and Keratin

23
Q

Enzymes do what to chemical reactions?

A

They catalyze them (speed them up)

24
Q

Substrates =

A

Substances on which enzymes act

25
Q

Hormones contain-

A

Protein

26
Q

Proteins can serve as-

A

Buffers (They help prevent the pH of the body from getting too high or low)

27
Q

What moves molecules through circulation/ across cell membranes?

A

Transport Proteins

28
Q

Although most plant foods don’t contain complete proteins, they shouldn’t be sworn off as a source of protein because-

A

They do contain complementary proteins