Plant cells and fungal cells are similar in structure - AQA - GCSE Biology - Question 8 - 2010 - Paper 1
Question 8
Plant cells and fungal cells are similar in structure.
Figure 10 shows a fungal cell.
08.1 Name one structure in Figure 10 which is present in both plant cells and ... show full transcript
Worked Solution & Example Answer:Plant cells and fungal cells are similar in structure - AQA - GCSE Biology - Question 8 - 2010 - Paper 1
Step 1
08.1 Name one structure in Figure 10 which is present in both plant cells and fungal cells but not in animal cells.
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Answer
One structure present in both plant and fungal cells but not in animal cells is the cell wall.
Step 2
08.2 Which disease is caused by a fungus? Tick (✓) one box.
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Answer
The disease caused by a fungus is Rose black spot.
Step 3
08.3 A fungal cell divides once every 90 minutes. How many times would this fungal cell divide in 24 hours?
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Answer
To find the number of divisions in 24 hours, we can use the formula:
Thus, the fungal cell would divide 16 times in 24 hours.
Step 4
08.4 Where is protein digested in the human digestive system? Tick (✓) one box.
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Answer
Protein is digested in the stomach.
Step 5
08.5 Which chemical could be used to test if the burgers contain protein? Tick (✓) one box.
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The chemical used to test if the burgers contain protein is Biuret reagent.
Step 6
08.6 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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When evaluating the use of burgers made from meat versus meat-free burgers, several factors should be considered:
Nutritional Content
Meat burgers generally contain more protein, which is essential for growth and maintenance of body tissues.
Meat-free burgers provide more fiber, which aids digestion and can prevent constipation, making them beneficial for digestive health.
Health Implications
High fat content in meat burgers may lead to health issues such as coronary heart disease (CHD) or heart attacks. Consuming excessive saturated fats can also contribute to obesity.
Meat-free burgers typically have lower fat content, making them a healthier option for individuals concerned about heart health.
The cholesterol content in meat burgers is significantly higher (120 mg), which is a risk factor for heart disease, while meat-free options contain none.
Environmental and Ethical Considerations
The production of meat burgers raises ethical concerns regarding animal welfare and environmental sustainability, such as increased methane emissions.
Some individuals prefer meat-free burgers for ethical reasons or due to personal dietary choices.
Conclusion
In conclusion, while meat burgers have a higher protein content, the overall balance of nutrients, health risks associated with higher fat and cholesterol, and ethical considerations may lead consumers to prefer meat-free options for a healthier, more balanced diet.
