Textbook Question
Identify the following as characteristics of soluble or insoluble fiber:
(a) can mix with water
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20. Carbohydrates
Classification of Carbohydrates
1:32 minutesProblem 36
Textbook Question
Name four important monosaccharides and tell where each occurs in nature.
Verified step by step guidance1
Identify the four important monosaccharides commonly studied in GOB Chemistry: glucose, fructose, galactose, and ribose.
Explain that glucose is a primary energy source for living organisms and is found in fruits, vegetables, and as a component of starch and glycogen.
Describe fructose as a naturally occurring sugar found in fruits, honey, and root vegetables, often referred to as 'fruit sugar.'
State that galactose is less commonly found in its free form but is a component of lactose, the sugar found in milk and dairy products.
Mention that ribose is a five-carbon sugar (a pentose) that is a key component of RNA (ribonucleic acid) and is also involved in the structure of ATP (adenosine triphosphate), the energy currency of cells.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Monosaccharides
Monosaccharides are the simplest form of carbohydrates, consisting of single sugar molecules. They serve as the building blocks for more complex carbohydrates and are crucial for energy production in living organisms. Common examples include glucose, fructose, and galactose, each playing vital roles in metabolism and energy transfer.
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Natural Sources of Monosaccharides
Monosaccharides are found in various natural sources, including fruits, vegetables, and honey. For instance, glucose is prevalent in plants and is a primary product of photosynthesis, while fructose is abundant in fruits and honey. Understanding where these sugars occur helps in studying their nutritional value and biological significance.
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Biological Importance
Monosaccharides are essential for numerous biological processes, including cellular respiration and energy storage. They are involved in the synthesis of nucleotides and amino acids, which are vital for DNA and protein formation. Their role in metabolism makes them crucial for the growth and maintenance of all living organisms.
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