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Aleksandr-060686 [28]
3 years ago
8

Two selectively permeable sacs A and B were submerged in a 45% glucose solution that was contained in a beaker. Sac A contained

a 15% glucose solution and Sac contained a 15% sucrose solution. In which direction did net movement of water molecules occur? a. Only from Sac A to the beaker b. Only from Sac B to the beaker c. From the beaker to both sacs d. From both sacs to the beaker

Biology
1 answer:
Vesnalui [34]3 years ago
5 0

Answer:

Option a. Only from Sac A to the beaker is correct.

Explanation:

As beaker contains glucose which is a monosaccharide and Sac A also have glucose in it, So, therefore glucose from sac A will move into beaker through the process of OSMOSIS.

Sac A (15% glucose) is less concentrated as compared to beaker (45% glucose) therefore this phenomenon will occur. (See attached image for more detailed and graphical explanation)

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Answer:

This question lacks options, options are:

A) histamine

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The correct answer is C.

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Explanation:

Hormones pass into the blood that waters the digestive system, go to the heart, circulate through the arteries and return to the digestive system, where they stimulate the production of digestive juices. The hormones that control digestion are gastrin, secretin and cholecystokinin. Secretin is stimulated by intestinal acid at the duodenal level. Its effect inhibits gastric acid secretion, prostaglandin secretion and via somatostatin release. It decreases gastric emptying and stimulates bile and pancreatic bicarbonate secretion.

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Correct Question:

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Answer:

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Explanation:

An asynchronous counter signal normally overrides the clock-gated input signal(s).

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—Evidence—
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