
Proteins Introduction
Presentation
•
Science
•
8th Grade
•
Practice Problem
•
Medium
+12
Standards-aligned
Diana Sadek
Used 6+ times
FREE Resource
11 Slides • 13 Questions
1
Proteins
2
3
4
Carbohydrates are made of sugars that are bonded together
Each hexagon in the picture is one sugar molecule
Carbohydrates and Sugars
5
Lipids are made of fatty acids that are bonded together
Lipids and Fatty Acids
6
Proteins are made of a long chain of amino acids that are bonded together
There are only twenty amino acids
Proteins and Amino Acids
7
8
The Twenty Amino Acids
9
Multiple Choice
Protein is a type of...
Micronutrient
Macronutrient
Vitamin
Mineral
10
Multiple Choice
What are the chemical "building blocks" that make up protein?
Meat
Macronutrients
Amino acids
Vitamins
11
Multiple Choice
Non-essential amino acids are...
Not essential for the body
Naturally produced in animals and can be found in meat
Naturally produced by the body
All of the above
12
Multiple Select
Select all correct statements about essential amino acids
Essential amino acids cannot be produced by the body
There are 22 types of essential amino acids, but only 9 forms protein
The quantity of essential amino acids determine the nutritional value of a protein
There are 9 types of essential amino acids, and they are supplied only through food
13
Multiple Choice
It is important to include enough protein in our diet because...
They build muscle in our bodies and make us strong
They contain amino acids that are essential for our body to function, but cannot be produced in our body
They contain extra amounts of amino acids already produced in our bodies, to help supplement any parts that are lacking
All of the above
14
15
Multiple Select
Which of these statements are INCORRECT? (Select all that apply)
You do not need to eat complete protein foods every day
Complete proteins are foods that contain 9 essential amino acids
Complete proteins are foods that contain at least 5 essential amino acids
Animal products are the main source of complete proteins
There are no plant sources of complete proteins
16
Multiple Select
Select all the foods that contain complete proteins:
Yoghurt
Meat
Tofu
Fish
Soy milk
17
18
Multiple Choice
Incomplete proteins contain...
No essential amino acids
Between 1-8 essential amino acids
Under 5 essential amino acids
All essential amino acids
19
Multiple Select
Select all the food sources of incomplete proteins:
Nuts and seeds
Cheese
Eggs
Legumes
Cereal products
20
Multiple Choice
One of the risks of a vegetarian or vegan diet might include:
Missing out on the taste of meat
Getting too much protein from plant-based food courses
Eating too many incomplete protein foods
Not receiving an adequate mix of essential amino acids required for the body
21
Multiple Choice
Eating a wide variety of foods by combining incomplete protein foods, can help vegetarians and vegans meet their daily protein requirements
True
False
22
23
Multiple Select
What health problems could be onset by a very high protein diet? (Select all that apply)
Kidney and liver damage
Diabetes
Osteoporosis
Slower matabolism
24
Multiple Choice
What might happen if you didn't get enough protein?
wasting and shrinking of muscle tissue
anaemia
stunted growth
increased risk of infections
all of the above
Proteins
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