Why is glucose the preferred energy source quizlet?

Glucose is the preferred energy source for cells, and the fate of absorbed glucose depends on the current energy needs of the body. If cells need immediate energy then glucose absorbed after a meal is oxidised within the cells. Surplus glucose is converted to glycogen or fat for storage, or excreted in urine.

Why is glucose the preferred energy source?

Glucose, a form of sugar, is the primary source of energy for every cell in the body. Because the brain is so rich in nerve cells, or neurons, it is the most energy-demanding organ, using one-half of all the sugar energy in the body.

Is glucose the preferred energy source?

The primary role of carbohydrates is to supply energy to all cells in the body. Many cells prefer glucose as a source of energy versus other compounds like fatty acids.

Why is glucose the primary energy source for cells quizlet?

C) There is a net gain of two ATP molecules for each glucose molecule converted to two molecules of pyruvate. Why is glucose the primary energy source for cells? A) It can be efficiently stored as glycogen, which forms compact, insoluble granules. … Glycolysis provides a large amount of ATP.

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What is the preferred source of glucose in the diet and why?

Other monosaccharides include fructose, galactose, and ribose. Along with fat, glucose is one of the body’s preferred sources of fuel in the form of carbohydrates. People get glucose from bread, fruits, vegetables, and dairy products. You need food to create the energy that helps keep you alive.

What is the preferred source of energy for the body?

Carbohydrates are the main energy source of the human diet. The metabolic disposal of dietary carbohydrates is direct oxidation in various tissues, glycogen synthesis (in liver and muscles), and hepatic de novo lipogenesis.

What is the best source of glucose for the brain?

To optimize brain power, Michael Green of Aston University in England suggests one tactic would be “more frequent but smaller meals.” The brain works best with about 25 grams of glucose circulating in the blood stream — about the amount found in a banana, said Gibson.

Does the brain need glucose?

1. Brain. Glucose is virtually the sole fuel for the human brain, except during prolonged starvation. The brain lacks fuel stores and hence requires a continuous supply of glucose.

Can Oxaloacetate be converted to glucose?

In glycolysis, glucose is converted into pyruvate; in gluconeogenesis, pyruvate is converted into glucose. … Phosphoenolpyruvate is formed from pyruvate by way of oxaloacetate through the action of pyruvate carboxylase and phosphoenolpyruvate carboxykinase.

Where do we get glucose from quizlet?

Glucose is transported from the intestines or liver to body cells via the bloodstream, and is made available for cell absorption via the hormone insulin, produced by the body primarily in the pancreas.

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What is the primary energy source for cells?

Adenosine triphosphate, or ATP, is the source of energy for cells.

What yields energy the quickest?


Term The sum of all the biochemical processes going on within the human body at any given time is called Definition Metabolism
Term Although other nutrients can feed into the citric acid cycle, ____ yields energy the quickest. Definition Glucose
Power generation