Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 11, Problem 3TY
Which of the following equations is accurate concerning DNA base composition?
- a. %A%T = %G + %C
- b. %A = %G
- c. %A = %G = %T = %C
- d. %A + %G = %T + %C
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Chapter 11 Solutions
Biology
Ch. 11.1 - Prob. 1CSCh. 11.1 - Prob. 1EQCh. 11.1 - Prob. 2EQCh. 11.1 - CoreSKILL In the experiment of Avery, MacLeod,...Ch. 11.2 - Prob. 1CCCh. 11.2 - Prob. 2CCCh. 11.2 - Core Skill: Modeling The goal of this modeling...Ch. 11.2 - Prob. 2CSCh. 11.3 - If this experiment was conducted for four rounds...Ch. 11.4 - Molecular Mechanism of DNA Replication Concept...
Ch. 11.4 - Prob. 2CCCh. 11.4 - Prob. 3CCCh. 11.4 - Prob. 4CCCh. 11.5 - Prob. 1CCCh. 11.5 - Prob. 1CSCh. 11 - Why did researchers initially believe that the...Ch. 11 - Prob. 2TYCh. 11 - Which of the following equations is accurate...Ch. 11 - Prob. 4TYCh. 11 - Which of the following statements about the...Ch. 11 - Meselson and Stahl were able to demonstrate...Ch. 11 - During replication of a DNA molecule, the daughter...Ch. 11 - Prob. 8TYCh. 11 - A nucleosome is a. a dark-staining body composed...Ch. 11 - The conversion of euchromatin into heterochromatin...Ch. 11 - What are the four key criteria that the genetic...Ch. 11 - A double-stranded DNA molecule contains 560...Ch. 11 - Prob. 3CQCh. 11 - Prob. 1COQCh. 11 - CoreSKILL How might you provide evidence that DNA...
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- In isolating DNA in strawberries, can you isolate other biomolecules aside from DNA just by using commonly available household materials and chemicals? Elaborate on your answer.arrow_forwardSuppose a region of DNA is 100 bp long. How many unique sequences could it potentially represent? A) 1004 B) 4100 C) 400 D) 4,000 E) 10,000arrow_forwardWhich of the folllowing is the term used for ultra compact form of DNA coiling? a. supercoiling b.metacoiling c. ultracoiling d. telephone coilingarrow_forward
- A DNA molecule consists of 500 nitrogenous bases, of which 150 are G bases. So, the percentage of nitrogenous base T is equal to? choose the correct answer A)20% B)30% C)40% D)60%arrow_forwardWhen working with the gel electrophoresis chamber, what must we keep in mind? A. Keeping the gel flat on the table without any buffer solution B. Not changing your pipette in between DNA samples C. Not shaking the chamber after the DNA has been loaded D. Loading two DNA samples per a single wellarrow_forwardWhat is the 260/280 ratio when quantifying DNA? select the correct option below A. ratio of protein to impurities in sample B. ratio DNA to impurties in sample C. ratio of DNA to protein in sample D. ratio of DNA to RNA in samplearrow_forward
- If DNA of a particular species was analyzed and it was found that it contains 27 percent A, what would be the percentage of Carrow_forwardChargaff studied the composition of DNA from different sources and found thata. the number of phosphate groups always equals the number of five-carbon sugars.b. the proportions of A equal that of C and G equals T.c. the proportions of A equal that of T and G equals C.d. the proportions of deoxyribose equal that of ribose.arrow_forwardWhat was the purpose of the sodium chloride in nucleic acid extraction? CHOOSE ALL ANSWERS THAT APPLY A Sodium chloride binds mostly to the proteins associated with the DNA. B Sodium ions bind to the phosphate groups in DNA. C Chloride ions bind to the phosphate groups in DNA. D Sodium chloride shields the DNA protecting it from degrading, E Sodium ions bind to the deoxyribose in the DNA.arrow_forward
- Which of the following regions of a genome would be most likely to be a SINGLE CRE? A. A section of DNA that is 10 base pairs long B. A section of DNA that is 50 base pairs long C. A section of DNA that is 200 base pairs long D. A section of DNA that is 1500 base pairs longarrow_forwardApproximately what percentage of DNA is noncoding? a 98% b 2% c 50% d 25%arrow_forwardA) Which molecule in the gel is the smallest - A, B, C, or D? Explain how you determined this. B) Identify one lane in this gel (1, 2, 3, 4, 5, 6, or 7) that shows evidence of DNase treatment. Explain how you determined this.arrow_forward
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