Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 3, Problem 26CTQ
Draw the ketose and aldose forms of a monosaccharide with the chemical formula C3H6O3. How is the structure of the monosaccharide changed from one form to the other in the human body?
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Draw the ketose and aldose forms of a monosaccharidewith the chemical formula C3H6O3. How is the structureof the monosaccharide changed from one form to theother in the human body?
Glucose is the most abundant monosaccharide. In energy metabolism it
is the most important source of energy for most organisms.
a) D- and L- designations are used to distinguish between the two possible
isomers of the monosaccharide. What is the relationship between D-glucose
and L-glucose?
b) Determine the designation of this enantiomer of glucose.
c) How many chiral centers are present in the straight chain form of glucose?
d) How many stereoisomers are possible for the straight chain form of glucose?
e) How many chiral centers are present in the cyclic form of glucose?
) Including the different configurations of the anomeric carbon, how many
cyclic isomers of D-glucose can be formed?
Identify the monosaccharide represented by each of the following structures. Name each compound.
Chapter 3 Solutions
Biology 2e
Ch. 3 - Figure 3.5 What kind of sugars are these, aldose...Ch. 3 - Figure 3.23 Which categories of amino acid would...Ch. 3 - Figure 3.33 A mutation occurs, and cytosine is...Ch. 3 - Dehydration synthesis leads to formation of...Ch. 3 - During the breakdown of polymers, which of the...Ch. 3 - The following chemical reactants produce the ester...Ch. 3 - An example of a monosaccharide is fructose glucose...Ch. 3 - Cellulose and starch are examples of:...Ch. 3 - Plant cell walls contain which of the following in...Ch. 3 - Lactose is a disaccharide formed by the formation...
Ch. 3 - Which of the following is not an extracellular...Ch. 3 - Saturated fats have all of the following...Ch. 3 - Phospholipids are important components of...Ch. 3 - Cholesterol is an integral part of plasma...Ch. 3 - The monomers that make up proteins are called...Ch. 3 - The helix and the pleated sheet are part of...Ch. 3 - Mad cow disease is an infectious disease where one...Ch. 3 - A nucleotide of DNA may contain. ribose, uracil,...Ch. 3 - The building blocks of nucleic acids are ____. a....Ch. 3 - How does the double helix structure of DNA support...Ch. 3 - Why are biological macromolecules considered...Ch. 3 - What role do electrons play in dehydration...Ch. 3 - Amino acids have the generic structure seen below,...Ch. 3 - Describe the similarities and differences between...Ch. 3 - Why is it impossible for humans to digest food...Ch. 3 - Draw the ketose and aldose forms of a...Ch. 3 - Explain at least three functions that lipids serve...Ch. 3 - Why have trans fats been banned from some...Ch. 3 - Why are fatty acids better than glycogen for...Ch. 3 - Part of cortisol’s role in the body involves...Ch. 3 - Explain what happens if even one amino acid is...Ch. 3 - Describe the differences in the four protein...Ch. 3 - Aquaporins are proteins embedded in the plasma...Ch. 3 - What are the structural differences between RNA...Ch. 3 - What are the four types of RNA and how do they...
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