Human Biology Concepts and Current Issues; Modified MasteringBiology with Pearson EText -- ValuePack Access Card -- for Human Biology: Concepts and Current Issues
8th Edition
ISBN: 9780134560779
Author: Johnson, Michael D.
Publisher: Pearson Education
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Textbook Question
Chapter 2, Problem 2TY
Which of these molecules would be described as hydrophobic?
a. glucose
b. sodium chloride
c. cholesterol
d. DNA
e. RNA
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Which class of biological molecules has the most diverse functions, including transport, structure, signaling, and motility?
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d) carbohydrates
Give a clear handwritten answer of this in which who have long chain of atoms in which molecules contain given below..?Explain..
(A) Lipids
Â
(B) DNA
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(C) Proteins
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(D) Amylose
which statement about phospholipids is false?
a. they are hydrophobic at one end
b. they are hydrophilic at one end
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Chapter 2 Solutions
Human Biology Concepts and Current Issues; Modified MasteringBiology with Pearson EText -- ValuePack Access Card -- for Human Biology: Concepts and Current Issues
Ch. 2 -
1. Who do you think should be responsible for...Ch. 2 - Prob. 2QCCh. 2 - Describe the electrical charges and relative...Ch. 2 -
2. Explain why two atoms of hydrogen tend to...Ch. 2 -
3. Explain why polar and charged molecules tend...Ch. 2 - How is a covalent bond different from an ionic...Ch. 2 - Compare and contrast potential energy and kinetic...Ch. 2 - Distinguish between saturated and unsaturated...Ch. 2 - Describe the process known as dehydration...Ch. 2 - Explain why proteins come in an almost unlimited...
Ch. 2 -
9. Discuss the importance of enzymes in living...Ch. 2 -
10. Describe the role of ATP in energy transfer...Ch. 2 - If a molecule of starch is repeatedly hydrolyzed,...Ch. 2 - Which of these molecules would be described as...Ch. 2 -
3. _______bonds form between the oxygen and...Ch. 2 - 13C and 14C are ______ of carbon. a. isotopes b....Ch. 2 - Which of the following substances has the lowest...Ch. 2 - When sugar is dissolved in water, sugar is the...Ch. 2 - A monosaccharide is to a polysaccharide as an...Ch. 2 -
8. Which of these bonds is the easiest to...Ch. 2 -
9. The primary structure of a protein is...Ch. 2 -
10. DNA ultimately contains the instructions for...Ch. 2 - If one strand of DNA has the sequence...Ch. 2 - Which of the following is true regarding the...Ch. 2 -
13. Which of the following is true regarding...Ch. 2 - Synthesis of proteins requires the input of...Ch. 2 - Prob. 15TYCh. 2 - Prob. 1AWKCh. 2 - Prob. 2AWKCh. 2 - Many people use cholesterol-lowering drugs to...Ch. 2 - Prob. 4AWKCh. 2 -
5. Coca-Cola is a very acidic drink; its pH is...
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- Which is true about O-H bonds? A. They are polar and oxygen is the negative end. B. They are polar and oxygen is the positive end. C. They are nonpolar and oxygen is the negative end. D. They are nonpolar and oxygen is the positive end.arrow_forwardBased on the picture, which molecule is a fatty acid, a major component of lipid molecules? A. 1 B. 9 C. 9 D.15arrow_forwardWhat is the reaction of fats with strong bases producing salts of the fatty acids known as metallic esters and glycerol? a. acid hydrolysis b. alkaline hydrolysis c. water hydrolysis d. oxidationarrow_forward
- Which term describes a fat molecule that lacks doublebonds between carbon atoms?(a) Saturated (c) Unsaturated(b) Polyunsaturated (d) Trans fatarrow_forwardWhat biomolecule is affected in a patient with diabetes? A. Proteins B. Nucleic Acid C. Lipids D. Carbohydratesarrow_forwardImagine a world based on a small nonpolar lipid, instead of water. What would be the result in our macromolecule structure and function? Claim: Evidence: Reasoning:arrow_forward
- _________________ are the building blocks of proteins. a. Nucleic Acids b. Amino Acids c. Hydrochloric Acids d. Ribonucleic Acidsarrow_forwardDescribe the roles played by carbohydrates in cells: A.) Raw material B.) Structural support C.) Cell identity D.) Energyarrow_forwardThe _____ A. Nucleic acid B. Protein C. Carbohydrate D. Lipid DNA is made up of monomers called _____? A. Amino acids B. Nucleotides C. Monosaccharidesarrow_forward
- (a) What type of linkage is present in disaccharides?(b) Write one source and deficiency disease of vitamin B12.(c) Write the difference between DNA and RNA.arrow_forwardWhat are the primary molecules found in the membranes of cells? A.) triglycerides B.) carbohydrates C.) phospholipids D.) proteinsarrow_forwardWhich class of macromolecule generally contains the most phosphorus (P)?  a. nucleic acids  b. carbohydrates  c. proteinsarrow_forward
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