Identify two conditions required for the growth of micro-organisms - Leaving Cert Home Economics - Question 7 - 2013
Question 7
Identify two conditions required for the growth of micro-organisms.
(i) ________________
(ii) ________________
State one use of micro-organisms in food production... show full transcript
Worked Solution & Example Answer:Identify two conditions required for the growth of micro-organisms - Leaving Cert Home Economics - Question 7 - 2013
Step 1
Identify two conditions required for the growth of micro-organisms.
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Answer
The growth of micro-organisms requires specific conditions:
(i) Food: Micro-organisms need nutrients to thrive. This includes sugars, proteins, and fats that provide essential energy and building blocks.
(ii) Warmth: A suitable temperature range is crucial for microbial activity. Most micro-organisms grow optimally within a specific temperature band, typically between 20°C to 40°C.
Step 2
State one use of micro-organisms in food production.
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Answer
One common use of micro-organisms in food production is the making of cheese. Bacteria are involved in fermenting milk, which transforms lactose into lactic acid, leading to curd formation.
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