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Draw and label the structure of an egg - Junior Cycle Home Economics - Question 2 - 2017
Question 2
Draw and label the structure of an egg. List five culinary uses of eggs and give a different example of each use. Outline the effects of cooking on eggs. Give fou... show full transcript
Worked Solution & Example Answer:Draw and label the structure of an egg - Junior Cycle Home Economics - Question 2 - 2017
Step 1
Draw and label the structure of an egg.
Answer
To effectively draw and label the structure of an egg, begin with an outline of the egg shape. Then add the following labels:
- Shell: The hard outer covering.
- Yolk: The yellow part, rich in fats and proteins.
- Membrane: Thin layers surrounding the yolk.
- Air space: The pocket of air at the larger end of the egg.
- Chalaza: The twisted cords that hold the yolk in place.
- White (Albumen): The clear liquid surrounding the yolk.
Step 2
Step 3
Outline the effects of cooking on eggs.
Answer
- Protein coagulates: As eggs are heated, the proteins denature and coagulate, leading to a firmer texture.
- Overcooking causes curdling: Overcooked eggs can become tough and rubbery due to excessive protein aggregation.
- Lightly cooked eggs are easier to digest: Light cooking preserves proteins, making them more digestible, while overcooked eggs can sometimes lead to a green ring forming around the yolk.
Step 4
Give four reasons why eggs are included in the diet.
Answer
- Source of protein for growth and repair: Eggs are rich in high-quality protein essential for body functions.
- Cheap substitute for meat: Eggs provide an economical protein source compared to meat.
- Suitable for all ages: Nutritionally balanced, eggs can be consumed by individuals of all ages.
- Easy to digest: Eggs are generally easier to digest than some other protein sources.
Step 5
List five items of information that must be given on an egg box.
Answer
- Name of producer: Identifies where the eggs come from.
- Class: Indicates the quality of the eggs.
- Size: Provides the size classification (e.g., small, medium, large).
- Origin: Specifies the country of origin of the eggs.
- Expiry date: Indicates the date by which the eggs should be consumed.
Step 6