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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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FOR CONSTRUCTED RESPONSE QUESTION!
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The two stages of photosynthesis: Photosynthesis takes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.

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4 years ago
Select the statements that accurately describe endocytosis. The cell membrane pinches off to form an extracellular vesicle joine
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Answer: The cell membrane invaginates and pinches off, creating a vesicle within the cell.

Explanation:

Endocytosis is an active transport mechanism, for particules to be transported, the plasma membrane of the cell invaginates, forming a pocket around the target particle. The pocket then pinches off, resulting in the particle being contained in a newly created intracellular vesicle formed from the plasma membrane.

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3 years ago
Most cells can only be seen with:
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Answer: a microscope

Explanation:

4 0
3 years ago
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The transfer of energy through empty space is called
Alex777 [14]

Answer:

The transfer of energy through empty space is called convection.

Explanation:

One of the fundamental laws of the universe is the conservation of energy. Energy can't be created and it can't be destroyed. Convection can be the process by which heat is transferred . Temperature is known as  the basic principle of heat transfer. The amount  that how much of thermal energy can be available is determined by the temperature, and the heat flow represents movement of thermal energy.

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3 years ago
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The cell is the fundamental unit of life and requires certain basic functions, including:
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A boundary that distinguishes inside from outside the cell yet allows materials to enter or leave the cell.

The cell needs a barrier for protection, rigidity and also for easy transportation.

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