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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The above glucose monosaccharides are held together in the maltose sugar by:
glycosidic bonds
ether bonds
disulfide bonds
ester bonds
peptide bonds
Which of the following disaccharides produces two different monosaccharides upon hydrolysis?
maltose
lactose
glycogen
sucrose
The above monosaccharides (glucose and galactose) are held together in the disaccharide lactose by:
disulfide bonds
ether bonds
glycosidic bonds
ester bonds
peptide bonds
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_forwardThe following is true for the hetero-polysaccharide, except: Hyaluronic acid is an examples They can be branched or unbranched Different sugar units attached together Same type of sugar units attached togetherarrow_forwardWhich of the following is not a complex conjugated carbohydrate? O peptidoglycan O glycoprotein O proteoglycan O oligosaccharide O lipopolysaccharidearrow_forward
- Which one of the following is an example of a disaccharide? Fructose Maltose Galactose Glucosearrow_forwardRefer to the figure below. Determine whether the given descriptions between the relationship of glucose and galactose is correct or incorrect. * сно ÇHO H OH HO-H H- -OH HO-H HO H- H-OH ČH,OH D-Glucose -H -OH H- -он CH,OH D-Galactose CORRECT INCORRECT Glucose and galactose are both Aldohexoses They constitute the structure of the disaccharide maltose They are epimers at carbon 4 They are not mirror images of each other, neither an enantiomeric pairarrow_forwardThe term used to describe a class of carbohydrates capable of transferring electrons to other molecules are: O Disaccharides O Glycosidic Linkages O Reducing Sugars O Glycogenarrow_forward
- We are consuming a lot of polymers in our foods and only some monomers. The polymers we ingest must be converted into monomers before being absorbed, with a few exceptions that we won't discuss. Amylase fatty acid nucleotide amino acid ribonuclease peptide polysaccharide triglyceride trypsin monosaccharide RNA lipase Fill the table. Ise the word bank above to fill-in the columns: macronutrient polymer Enzyme that hydrolyzes polymer into monomer monomer Proteins amino acid Carbohydrates monosaccharide Lipids fatty acid Nucleic acidsarrow_forwardAmylose is comprised of glucose monomers connected by what kind of glycosidic bond? a (1 -->4) a (1 --> 6) b (1 --> 4) b (1 --> 6) None of the abovearrow_forwardWhich of the following differentiates chitin with cellulose? Chitin has the alpha (1-4) glycosidic linkage O Chitin has an amino derivative of glucose O Chitin is a polysaccharide and cellulose is a disaccharide Chitin has the beta (1-4) glycosidic linkage.arrow_forward
- Consider the following statements: (1) Complete hydrolysis of a disaccharide produces only monosaccharides. (2) Dihydroxyacetone, galactose, and ribose are all hexoses. (3) Both amylopectin and glycogen are branched glucose polymers. Only one of the statements is true. Two of the three statements are true. All three statements are true. None of the statements are true.arrow_forwardName two differences between sucrose and lactose. Nametwo similarities.arrow_forwardDisaccharides are joined by glycosidic bonds formed between the anomeric carbon on one monosaccharide and a hydroxyl (-OH) group of another monosaccharide. Identify the types of linkages in each of the three disaccharides. Only place three of the linkages. НО. CH₂OH CH₂OH CH₂OH HO OH OH OH OH OH CH₂OH HO. НО OH OH 0 OH B12 al OH 4 OH 0 О CH₂OH Answer Bank al + B2 OH al + al OH B14 OH о OH OHarrow_forward
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