Plant cells and fungal cells are similar in structure - AQA - GCSE Biology - Question 2 - 2022 - Paper 1
Question 2
Plant cells and fungal cells are similar in structure.
Figure 2 shows a fungal cell.
Name one structure in Figure 2 which is present in both plant cells and fungal... show full transcript
Worked Solution & Example Answer:Plant cells and fungal cells are similar in structure - AQA - GCSE Biology - Question 2 - 2022 - Paper 1
Step 1
Name one structure in Figure 2 which is present in both plant cells and fungal cells but not in animal cells.
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Answer
The structure is the cell wall. Both plant cells and fungal cells have a cell wall, which is absent in animal cells.
Step 2
Which disease is caused by a fungus?
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Answer
The disease caused by a fungus is Rose black spot.
Step 3
How many times would this fungal cell divide in 24 hours?
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Answer
Since a fungal cell divides once every 90 minutes, we can calculate the number of divisions in 24 hours as follows:
Therefore, the fungal cell would divide 16 times in 24 hours.
Step 4
Where is protein digested in the human digestive system?
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Answer
Protein is digested in the stomach.
Step 5
Which chemical could be used to test if the burgers contain protein?
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Answer
The chemical used to test whether the burgers contain protein is Biuret reagent.
Step 6
Evaluate the use of burgers made from meat compared with meat-free burgers in providing humans with a healthy, balanced diet.
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Answer
When comparing burgers made from meat to meat-free burgers, several factors come into play:
Nutritional Content
Meat-free burgers generally contain more fiber, which aids digestion or prevents constipation.
On the other hand, meat burgers contain more protein necessary for growth.
Meat burgers tend to have a higher fat content, which could increase the risk of heart disease or lead to other health issues if consumed excessively.
The presence of cholesterol in meat burgers is also a concern, as high levels can lead to cardiovascular problems.
Environmental and Ethical Considerations
The production of meat burgers requires raising animals, which can lead to environmental issues such as greenhouse gas emissions.
Ethical concerns about the treatment of animals in the meat industry may affect people's choices in favor of meat-free options.
Consumer Preferences
Some individuals prefer meat-free burgers due to personal beliefs or dietary restrictions, while others may not like the taste of meat substitutes.
It's also essential to consider that both types of burgers may have similar carbohydrate content, providing energy regardless.
In conclusion, while meat burgers offer higher protein content, meat-free burgers provide additional benefits like fiber and less saturated fat, making them a better option for many seeking a balanced diet.