Molecular structure of glucose | Macromolecules | Biology | Khan Academy | Summary and Q&A

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July 11, 2015
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Molecular structure of glucose | Macromolecules | Biology | Khan Academy

TL;DR

Glucose is a vital molecule for energy storage and transfer in biological systems, and its structure consists of six carbons, twelve hydrogens, and six oxygens.

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Questions & Answers

Q: Why is glucose considered one of the most important molecules in biology?

Glucose plays a critical role in storing and transferring energy in biological systems, making it vital for various metabolic processes.

Q: What is the connection between glucose and blood sugar levels?

When people refer to blood sugar, they are actually referring to the glucose content in the blood, which is used as an energy source in the body.

Q: How is glucose involved in photosynthesis?

During photosynthesis, plants use sunlight to convert carbon dioxide and water into glucose, which serves as an energy source for the plant.

Q: How does glucose participate in cellular respiration?

In cellular respiration, glucose is broken down to generate ATP (adenosine triphosphate), which is the primary energy currency in cells.

Summary & Key Takeaways

  • Glucose is a crucial molecule in biology that serves as a major source of energy in biological systems, including humans.

  • It is found in nature in the form of Dextrose, which polarizes light to the right and is responsible for blood sugar levels.

  • Glucose is involved in processes such as photosynthesis in plants and cellular respiration in cells.

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