2. Lipids: a. Are Hydrophilic b. Contains monomers c. Are divided into 3 types d. Phospholipids can function as signaling molecules 3. Proteins: a. Function depends on the structure b. Monomers are the nucleotides c. Can be denatured by physical and chemical changes d. Tertiary structure has Vander Waals interactions formed between R groups of amino acids 4. Nucleic acids: a. Are polymers of nucleotides b. DNA and RNA are the same c. DNA contains URACIL base d. RNA is a double helix

2. Lipids: a. Are Hydrophilic b. Contains monomers c. Are divided into 3 types d. Phospholipids can function as signaling molecules 3. Proteins: a. Function depends on the structure b. Monomers are the nucleotides c. Can be denatured by physical and chemical changes d. Tertiary structure has Vander Waals interactions formed between R groups of amino acids 4. Nucleic acids: a. Are polymers of nucleotides b. DNA and RNA are the same c. DNA contains URACIL base d. RNA is a double helix

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter3: Biological Molecules: The Carbon Compounds Of Life

Section: Chapter Questions

Problem 2TYK: Which of the following characteristics is not common to carbohydrates, lipids, and proteins? a. They...

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1. Carbohydrates a. Are only ketoses b. Have one carboxyl group C. Serve as a fuel d. Are only polysaccharides 2. Lipids: a. Are Hydrophilic b. Contains monomers c. Are divided into 3 types d. Phospholipids can function as signaling molecules 3. Proteins: a. Function depends on the structure b. Monomers are the nucleotides c. Can be denatured by physical and chemical changes d. Tertiary structure has Vander Waals interactions formed between R groups of amino acids 4. Nucleic acids: a. Are polymers of nucleotides b. DNA and RNA are the same c. DNA contains URACIL base d. RNA is a double helix B- True or False: 1) Genes consist of DNA which belongs to the class of nucleic acids 2) The process of hydrogenating vegetable produces only saturated fats 3) The monomers of proteins are nucleotides 4) Phospholipids are formed by 1 glycerol and 3 fatty acids 5) Unsaturated fats contain 1 or more double bonds between carbon atoms
3. Proteins: a. Function depends on the structure b. Monomers are the nucleotides c. Can be denatured by physical and chemical changes d. Tertiary structure has Vander Waals interactions formed between R groups of arnino acids 4. Nucleic acids: a. Are polymers of nucleotides b. DNA and RNA are the same c. DNA contains URACIL base d. RNA is a double helix
Which of the following is not a function of proteins? a. transport molecules b. acting as messengers c. supports the structure d. store genetic information What monomers join to form polypeptides? a. fatty acids b. nucleotides c. amino acids d. monosaccharides Which of the following is NOT a basic component of every amino acid? a. R group b. Amino group c. Carboxyl group d. Hydroxyl group What chemical bond links the amino group of one amino acid to the carboxyl group of the other? a. Ionic bond b. Peptide bond c. Covalent bond d. Hydrogen bond
1.Functional groups can be defined as:* a. specific substituents or moieties within molecules b. collection of atoms that attach the carbon skeleton of an organic molecule c. both A and B d. neither A nor B 2. Vitamin E is miscible with hexane. Based on this observation, it can be inferred that__________* Vitamin E is polar and can be classified as lipid Vitamin E is non-polar and can be classified as lipid Vitamin E is amphipathic and cannot be classified as lipid Vitamin E is neither polar or non-polar and cannot be classified as lipid 3. Positive with Molisch Test and Benedict Test but negative with both Iodine Test and Seliwanoff's Test, immediate precipitate formation with Barfoed's Test, and muddy brown coloration with Bial's Test.* Glucose Fructose Ribose/Arabinose Maltose Sucrose
8) Define the following terms: a. Hydrophobic b. Hydrophillic 9) Describe the composition of a phospholipid and its relationship with water. Be specific about how the different parts of a phospholipid interact with water.
1. What is the empirical formula for all carbohydrates? 2.Denaturation affects which aspect of a protein's structure? i Primary structure ii Secondary structure iii Tertiary structure iv Quaternary structure i only i and ii only ii, iii and iv ii and iv only
1. Explain using words and diagrams the structure of carbohydrates 2. Demonstrate understanding of monomers and polymers in car
20. Which of the following does NOT contribute to the tertiary structure of proteins? a. salt bridges Ob. hydrogen bonds C. disulfide bonds d. peptide bonds
1. Complete the given table below. What properties do each of the following R groups have? Hydrophilic or |hydrophobic Basic, acidic, or Polar or nonpolar R Group neutral CH, CH3 b. CH2 CH2 CH2 CH2 NH5 d. CH2 он
1. How are organic molecules related to all living things?Explain. 2. Draw an Illustration showing the functions of protein in the body.
6. As you know, tertiary structure of proteins is held together by a number of different interactions between amino acid side chains, including hydrogen bonding, ionic attractions, hydrophilic/hydrophobic properties, van der Waals forces, and/or covalent bonds. But you also know that covalent bonds hold primary structure together as well. esc A. Which specific type of covalent bond between side chains can contribute to tertiary structure? B. Which amino acid/s can participate in these bonds? C. Which aspect of the side chain participates in these bonds? 188 F1 F2 80 F3 a F4 Q F5 C F6 F7 DII F8 F9 F10
15. Phospholipids are described as Multiple Choice polar. nonpolar. amphipathic. amphiprotic. 13. Which of the following is not one of the four most common elements in the body? Multiple Choice Oxygen Nitrogen Hydrogen Carbon Calcium 16. Fatty acids in soap have a polar end and a nonpolar end. Which of the following best describes these molecules? Multiple Choice Amphipathic Hydrophilic Hydrophobic Charged 22. Compared to a solution with a pH of 7, a solution with a pH of 4 is Multiple Choice more acidic and has a 1,000-fold increase in [H+]. more acidic and has a 300-fold increase in [H+]. more basic and has a 1,000-fold increase in [H+]. more basic and has a 300-fold increase in [H+]. more basic and has a 300-fold decrease in [H+]. 29. A technician is asked to make up a solution of physiological saline and is told that it should be a 0.9% NaCl solution using the…