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 10RQ
Lactose is a disaccharide formed by the formation of a
bond between glucose and
- glycosidic; lactose
- glycosidic; galactose
- hydrogen; sucrose
- hydrogen; fructose
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During the dehydration reaction between two monosaccharides to create sucrose which is an example of a disaccharide, what chemical bond is formed between them?
Van der Waals forces
Ester bond
Polar covalent bond
Glycosidic bond
The above monosaccharides (glucose and galactose) are held together in the disaccharide lactose by:
disulfide bonds
ether bonds
glycosidic bonds
ester bonds
peptide bonds
Monosaccharides are connected by _________ in polysaccharides. Chemically, these linkages are _____ bonds.
a
glycosidic linkages; ether
b
peptide bonds; ether
c
peptide bonds; amide
d
glycosidic linkages; ester
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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- Unlike saturated fatty acids, the tails of unsaturated fatty acids incorporate one or more _______. a. phosphate groups b. glycerols c. double bonds d. single bondsarrow_forward_________ is a monosaccharide. a. Glucose b. Sucrose c. Ribose d. Starch e. a and c f. a, b, and carrow_forwardWhich of the following is the carbohydrate, the fatty acid, the amino acid, and the polypeptide? a. +NH3CHRCOO b. C6H12O6 c. (glycine)20 d. CH3(CH2)16COOHarrow_forward
- Unlike saturated fats, the fatty acid tails of unsaturated fats incorporate one or more ________. a. phosphate group c. double bonds b. glycerols d. single bondsarrow_forwardCellulose and starch are examples of______. a. monosaccharides b. disaccharides c. lipids d. polysaccharidesarrow_forwardDistinguish among the following: a. monosaccharide, polysaccharide, disaccharide b. peptide bond, polypeptide c. glycerol, fatty acid d. nucleotide, nucleic acidarrow_forward
- How can you distinguish a pentose sugar from a hexose sugar? a disaccharide from a sterol? an amino acid from a monosaccharide? a phospholipid from a triacylglycerol? a protein from a polysaccharide? a nucleic acid from a protein?arrow_forwardAll of the following except ________ are building blocks or energy sources in cells. a. fatty acids b. simple sugars c. lipids d. amino acids e. nucleotidesarrow_forward_______ groups are the acid part of amino acids and fatty acids. a. Hydroxyl (OH) c. Methyl (CH3) b. Carboxyl (COOH) d. Phosphate (PO4)arrow_forward
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