Human Biology: Concepts and Current Issues (8th Edition)

8th Edition

ISBN: 9780134042435

Author: Michael D. Johnson

Publisher: PEARSON

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Nucleotides

It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).

Nucleic Acids

Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) a…

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Textbook Question

Chapter 2, Problem 1CR

Describe the electrical charges and relative masses of protons, neutrons, and electrons.

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Chapter 2, Problem 2QC

Chapter 2, Problem 2CR

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Define the terms protons, neutrons, and electrons?

Describe the electrical charge, mass, and location of the threemajor subatomic particles in an atom?

Distinguish between each of the following pairs of terms: Neutron and proton Atomic number and mass number Atomic weight and mass number

Chapter 2 Solutions

Human Biology: Concepts and Current Issues (8th Edition)

Ch. 2 - 1. Who do you think should be responsible for...Ch. 2 - Prob. 2QC Ch. 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. 15TY Ch. 2 - Prob. 1AWK Ch. 2 - Prob. 2AWK Ch. 2 - Many people use cholesterol-lowering drugs to...Ch. 2 - Prob. 4AWK Ch. 2 - 5. Coca-Cola is a very acidic drink; its pH is...

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