Human Heredity: Principles and Issues (MindTap Course List)
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 8, Problem 2QP

Why do you think nucleic acids were originally not considered to be carriers of genetic information?

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Why do you think all organisms use nucleic acids for encoding genetic information? Why not use proteins or carbohydrates? What advantages might DNA have as the source of genetic information?
Watson and Crick, the pair of researchers who determined the structure of DNA, deduced the pairing of nucleotides in DNA using information learned from Erwin Chargaff. Which of the following is the correct pairing of nucleotides in DNA? a guanine with adenine; cytosine with adenine b adenine with thymine; guanine with cytosine c cytosine with guanine; uracil with adenine d cytosine with adenine; thymine with guanine
If you know that the number of nitrogenous bases in DNA = 4 and the number of amino acids = 20, then the number of possible genetic codes for these acids? choose the correct answer . A)20 B)24 C)60 D)64

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Human Heredity: Principles and Issues (MindTap Course List)

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