Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

2. Cell Chemistry & Cell Components

Carbohydrates

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Carbohydrates

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Problem 16b

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The main storage form of glucose in the human body is starch.

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Understand the question: The problem asks whether the statement 'The main storage form of glucose in the human body is starch' is true or false. If false, we need to correct it to make it true.

Recall the key concept: In humans, the main storage form of glucose is not starch. Starch is a storage form of glucose in plants. In humans, glucose is stored as glycogen, primarily in the liver and skeletal muscles.

Evaluate the statement: Since the statement claims that starch is the main storage form of glucose in the human body, it is false.

Correct the statement: Replace 'starch' with 'glycogen' to make the statement true. The corrected statement would be: 'The main storage form of glucose in the human body is glycogen.'

Review the corrected statement: Ensure the corrected statement aligns with the biological facts about glucose storage in humans.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Storage Forms of Glucose

In humans, glucose is primarily stored in the form of glycogen, not starch. Glycogen is a polysaccharide that serves as a form of energy storage in liver and muscle tissues, allowing for quick mobilization of glucose when needed.

Difference Between Starch and Glycogen

Starch is a storage form of glucose found in plants, composed of amylose and amylopectin. In contrast, glycogen is more highly branched and is specifically adapted for rapid energy release in animals, highlighting the functional differences between plant and animal carbohydrate storage.

Metabolism of Carbohydrates

Carbohydrate metabolism involves the breakdown of glucose for energy production. When glucose levels are high, excess glucose is converted into glycogen for storage, while during fasting or exercise, glycogen is broken down back into glucose to maintain energy levels.

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Related Practice

Textbook Question

Galactosemia is a potentially fatal disease that occurs in humans who lack the enzyme that converts galactose to glucose. If you were a physician treating a person with this disease, which of the following would you have them exclude from their diet?a. maltoseb. starchc. mannosed. lactose

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Textbook Question

If you hold a salty cracker in your mouth long enough, it will begin to taste sweet. What is responsible for this change in taste?

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Textbook Question

Sucrose is broken down in your intestine to the monosaccharides glucose and fructose, which are then absorbed into your blood. What is the name of this type of reaction? Using this diagram of sucrose, show how this would occur.

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Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Carbohydrates are the main source of fuel for the human body.

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Textbook Question

The polysaccharide cellulose is not digestible by humans, as we lack the enzyme cellulase, which is required to break it down. Certain dietary supplements contain the enzyme cellulase and claim that being able to break down cellulose will help a person lose weight. But what do you think would happen if we could digest the cellulose we ate?

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Multiple Choice

Which locations represent the largest storage depots for carbohydrates in the body?

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Multiple Choice

Which carbohydrate is used to store energy in the liver?

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Multiple Choice

What is the stored form of carbohydrate in the muscles and liver?