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lisabon 2012 [21]
3 years ago
14

hypothesis that guided some biochemical research in the 1930s was: “Citric acid plays an important role in the breakdown of carb

ohydrates in organisms.” What research question motivated this hypothesis? a. How do cells reproduce? c. How do plants use sunlight to live? b. How does food yield energy? d. How is genetic information transferred?
Biology
1 answer:
aev [14]3 years ago
5 0

Answer:

b. How does food yield energy?

Explanation:

The main question is how energy is produced from food such as carbohydrates, fats and proteins etc. First the carbohydrate is converted into glucose molecule and then glucose is absorbed by the cell and is broken down in the mitochondria of the cell with the addition of oxygen and generate energy in the form of adenine tri phosphate. All the scientists wants to know that how a food is converted into energy.

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3 years ago
Which of the following statements about gluconeogenesis in animal cells is true?
MakcuM [25]

Answer:

C. THE CONVERSION OF FRUCTOSE 1,6-BISPHOSPHATE to fructose- 6- phosphate is not catalyzed by phosphofructokinase -1, the enzyme involved in glycolysis.

Explanation:

This statement is true as the enzyme involved in this step is FRUCTOSE-1,6-BISPHOSPHATASE.

Gluconeogenesis is the coversion of non-carbohydrate molecules (lactic acid, amino acids, glycerol) through the pyruvic acid into glucose in the cells.

This process takes place mainly in the liver and occurs during periods of fasting, starvation, low carbohydrate diets.

The pathway of gluconeogenesis involves eleven steps of enzymatic catalyzed reactions.

In the conversion of fructose 1,6- bisphosphate to fructose-6-phosphate is catalyzed by fructose 1,6-bisphosphatase and not by phosphofructokinase -1 which is involved in glycolysis. This step is a rate-limiting step of the pathway.

The conversion of glucose-6-phospahte to glucose is not catalyzes by hexokinase but glucose -6- phosphatase.

7 0
3 years ago
If a new study shows a connection between eating avocados and a lowered risk of disease, what do you think will happen?
salantis [7]

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Demand for avocados would increase, causing prices to increase.

Explanation:

If avocados are proven to lower the risk of diseases, more people would want to buy them, meaning demand would increase.

When demand increases, people would be willing to pay more for that item, meaning price would increase.

Therefore, the answer is the second option: demand for avocados would increase, causing prices to increase.

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