Digestion
Random
Structure
Amino Acids
complete vs incomplete
100

Where does digestion begin? 

The mouth

100

Chewing food with your teeth is an example of ____________________ digestion. 

Mechanical

100

Proteins are made from "building blocks" called _________________

Amino acids

100

How many essential amino acids are there? 

Nine

100

Name 1 food that is considered a complete protein. 

Chicken 

Steak 

Fish 

etc.,

200

True or False: Pepsin is an enzyme released in the mouth to break down protein. 

False

200

T or F: Mechanical digestion is the only sort of protein digestion that takes place in the mouth. 

True

200

Amino acids are held together by bonds called __________ bonds

Peptide
200

How many amino acids are there? Essential and Non-essential 

20

200

What is a complete protein? 

A food that contains all 9 essential amino acids 

300

The majorly of protein digestion takes place in the _________

Stomach

300

Once amino acids are broken down into their simplest form, they are absorbed into the small intestine through finger like projections called the _________

Villi

300

Proteins provide "_____'kcal of energy

4

300

_______________ must be obtained from food. 

Essential amino acids. 

300

What is an incomplete or "complimentary protein" 

A protein that does not have all 9 essential amino acids and would need to be paired with another food source in order to get all 9 essential amino acids. 

400

Digestion continues in the small intestine where another enzyme __________ is released to further breakdown protein. 

Trypsin

400

The essential amino acid Histidine is important for the production of the neurotransmitter called ________

Histamine

400

Proteins have the same three elements as fats and carbs.... Carbon, Hydrogen and ______

Oxygen

400

_____________________ can be made from the body

Non- Essential amino acids 

400

Incomplete proteins are usually found in ________based foods. 

Plant based

500

The stomach secretes pepsinogen. Then using ______________________________ the pepsinogen breaks down into the enzyme pepsin that helps break proteins down. 

Hydrochloric acid 

500

_______ is necessary for serotonin production, influencing mood and sleep.

Tryptophan

500

Once proteins are broken down by pepsin in the stomach, they form shorter chains called _____________

polypeptides

500

Name 3 essential amino acids 

●Histidine

●Isoleucine

●Leucine

●Lysine

●Methionine

●Phenylalanine

●Threonine

●Tryptophan

●Valine

500

Name 1 pair of incomplete proteins, that when together would give you all 9 essential amino acids

  • Beans with rice or corn
  • Hummus with pita bread
  • Lentils with quinoa or brown rice
  • Peanut butter on whole wheat bread
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