Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Chapter 13, Problem 13TYU
FOCUS ON ORGANIZATION
The continuity of life is based on heritable information in the form of DNA, and structure and function are correlated at all levels of
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Evolution accounts for the unity and diversity of life, and the continuity of life is based on heritable information in the form of DNA. In a short essay (100-150 words), discuss how the fidelity with which DNA is inherited is related to the processes of evolution. (Review the discussion of proofreading and DNA repair in Concept 16.2.)
Background: DNA nucleotides (i.e A, T, G, and C) are naturally found in a paired, or bonded, arrangement
(i.e. the double helix) within the nucleus of every cell. This structure makes the process of replication that
occurs prior to mitosis and meiosis very reliable. The purpose of DNA, though, is not simply to make copies of
itself, but to provide a set of instructions for the synthesis or "construction" of biomolecules, such as proteins.
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Describe the structure and replication of the genetic material and basic aspects of the flow of genetic information from DNA to proteins
Chapter 13 Solutions
Campbell Biology in Focus
Ch. 13.1 - Given a polynucleotide sequence such as GAATTC,...Ch. 13.1 - Prob. 2CCCh. 13.2 - What role does base pairing play in the...Ch. 13.2 - Make a table listing the functions of seven...Ch. 13.2 - MAKE CONNECTIONS What is the relationship between...Ch. 13.3 - Describe the structure of a nucleosome, the basic...Ch. 13.3 - What two properties, one structural and one...Ch. 13.4 - Prob. 1CCCh. 13.4 - DRAW IT One strand of a DNA molecule has the...Ch. 13.4 - Describe the role of complementary base pairing...
Ch. 13 - In his work with pneumonia-causing bacteria and...Ch. 13 - Prob. 2TYUCh. 13 - In analyzing the number of different bases in a...Ch. 13 - The elongation of the leading strand during DNA...Ch. 13 - Prob. 5TYUCh. 13 - Prob. 6TYUCh. 13 - Prob. 7TYUCh. 13 - Prob. 8TYUCh. 13 - Prob. 9TYUCh. 13 - MAKE CONNECTIONS Although the proteins that cause...Ch. 13 - Prob. 11TYUCh. 13 - FOCUS ON EVOLUTION Some bacteria may be able to...Ch. 13 - FOCUS ON ORGANIZATION The continuity of life is...Ch. 13 - Prob. 14TYU
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- DNA contains the genetic information that controls all processes of heredity in a cell. The total length of all DNA in the cells of a human body can stretch to the moon and back four times.The terms that describe a length of DNA and the form in which it remains for most of its life, respectively are: Select one: a. Length of DNA Form in which it spends most of its time life Centromere Locus b. Length of DNA Form in which it spends most of its time life Chromosome Chromatin c. Length of DNA Form in which it spends most of its time life Chromosome Centromere d. Length of DNA Form in which it spends most of its time life Centromere Telomerearrow_forwardDescribe the structure of DNA. The two strands of DNA are antiparallel. What does the term antiparallel mean? Describe how DNA is tightly packaged. Your description should include the terms histones, chromatin, nucleosomes and chromosomes.arrow_forward(a) Explain the relationship between DNA, genes, and chromosomes during the passing of genetic information. (b) During the passing of genetic information from one generation to the next via chromosomes, nondisjunction can occur, interrupting the process. Describe the events that take place during nondisjunction.arrow_forward
- List and describe the processes that make up the central dogma of biology which provides the path for the flow of genetic information from DNA to the proteins that are synthesized and carry out the functions needed by the cell.arrow_forwardIn what order does the genetic information flow in living organisms? Choose all that are true. genetic information can be rewritten from protein to DNA genetic information can be translated from RNA to protein genetic information can be rewritten from DNA to RNA genetic information can be rewritten from protein to RNA genetic information can be rewritten from RNA to DNAarrow_forwardBefore the experiments performed by Griffith, Avery and colleagues, and Hershey and Chase, the hereditary material was known to contain which of the following? Group of answer choices lipids and proteins RNA and DNA protein and RNA DNA and proteinarrow_forward
- Answer the following four questions about DNA and chromosomes. (Hint: there may be slightly different numbers for these values-write the best one you know).What percentage of the human genome is made up of repetitive DNA? %What is the diameter of the chromatin fiber known as "beads on a string"? nmHow many histone proteins total assemble to make up a nucleosome? If a double stranded DNA has 22 percent adenine, what percent is guanine? %arrow_forwardDNA is responsible for your phenotype, but to what extent? How much, if at all, do environmental factors play a role? Can you find examples (remember keep your sources academic)?arrow_forwardAll the following statements about DNA are true, EXCEPT: O DNA is a double-helix, consisting of a sugar-phosphate backbone. O DNA is made up on nucleotides, which consist of one sugar, one phosphate, and one base. O DNA consists of 4 bases - adenine, uracil, cytosine, and guanine. The two main functions of DNA are to replicate itself and to create proteins (by providing the template for protein synthesis). O The sugar in DNA is deoxyribose.arrow_forward
- What is the basic flow of genetic information in all cellular life ? Include in your answer a the steps in the flow of genetic information and a brief definition for each .arrow_forwardcan you match the correctarrow_forwardOrganism Tissue % Adenine % Guanine % Cytosine % Thymine Yeast 31.3 18.7 17.1 32.9 Sea urchin Blood cells 32.8 17.7 18.4 32.1 Rat Bone marrow 28.6 21.4 21.5 28.4 Human Thymus 30.9 19.9 19.8 29.4 Human White blood cells 30.3 19.5 19.9 30.3 Compare the composition of the DNA in the different organisms. Describe any similarities or differences you observe.arrow_forward
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