BIOLOGY
JAMB 2006 - Question 49
Biology 2006 JAMB Past Questions - Question 49: A population that doubles in size at constant intervals is an indication of
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
B
Explanation
B Exponentialgrowth occurs in unicellular organism like yeast in which the organism doublesit's number in a geometrical progression i.e. the rate at any given time isproportional to the number already present. However, exponential growth doesnotContinue indefinitely co." instance, whenthe nutrient (glucose) available to every cell is no longer adequate andthe toxic product of fermentation called alcohol accumulates and interferes withmetabolism, the growth rate drops. Some cells die and growth rate slows downand finally decrease to zero.Sigmoid growth indicates that growth is slow initially,accelerates later and slows down after sometime.
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