The epithelial cells that line the gut have glucose–Na+ symport proteins that actively take up glucose from the lumen of the gut
after a meal, creating a high glucose concentration in the cytosol. How do these cells release that glucose for use by other tissues in the body?
1 answer:
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Given: The population density of frogs in a portion of a pond is 12 frogs per square meter. The size of the entire pond is 370 square meters.
To find: The total population size of the frogs in the pond.
Method: Using unitary method of proportions
Solution:
Let p be the density of the frogs present per square meter.
Let A denote the total area of the pond.
∴ p = 12 frogs/m² and A = 370 m²
The total number of frogs in the pond is given by,
Therefore, there are 4440 frogs in the pond.