Multiple Choice
Who is credited with first observing microorganisms?
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1. Introduction to Microbiology
Introduction to Microbiology
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Most fungi grow best at which pH value?
A
pH 5
B
pH 9
C
pH 7
D
pH 2
Verified step by step guidance1
Understand that fungi generally prefer slightly acidic environments for optimal growth.
Recall that pH is a measure of acidity or alkalinity, where pH 7 is neutral, values below 7 are acidic, and values above 7 are alkaline.
Consider the typical pH range of environments where fungi thrive, such as soil and decaying organic matter, which tend to be mildly acidic.
Compare the given pH options: pH 2 (strongly acidic), pH 5 (mildly acidic), pH 7 (neutral), and pH 9 (alkaline).
Conclude that fungi most commonly grow best at a mildly acidic pH, which corresponds to pH 5.
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