WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
5th Edition
ISBN: 9781319487317
Author: PHELAN
Publisher: INTER MAC
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Chapter 6, Problem 2MC
Summary Introduction
Introduction:
The bases in the DNA molecule vary.
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Write the base sequence in a complementary DNA segment if each original segment has the following base sequence:
a.) 5'T T T T T T 3'
b.) 5'C C C C C C C C C 3'
c.) 5'A T G G C A 3'
d.) 5'A T A T G C G C T A A A 3'
5) How many different bases are found in DNA
a) 1
b) 2
c) 3
d) 4
What are the component parts of a single DNA nucleotide?
Group of answer choices
A)a pentose sugar, a phosphate group and a base
B) A, G, C and T
C) ribose and deoxyribose
D) two C's, two A's, a G and a T
Chapter 6 Solutions
WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
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- For double-stranded DNA, which of the following statements is true? a) A = C b) A = G and C = T c) A + C = G + T d) A + T = G + C e) B and C are truearrow_forwardThe base content of a particular DNA molecule is 36% thymine. What is the percentage of each of the following bases in the molecule? a. Adenine b. Guanine c. Cytosinearrow_forwardIf guanine makes up 60% of the bases in a DNA double helix, what percent of the bases is adenine? A) 50% B) 20% C) 60% D) 40%arrow_forward
- DNA strands that can form a double helix are said to be Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a a) complementary b) semiconservative c) conservativec) conservative d. d) none of the abovearrow_forwardWhich of the following is true regarding the 5’ vs. the 3’ end of a strand of DNA? a) only double-stranded DNA can have a 5' and a 3' end b) 5' and 3' are designations of the carbon in the deoxyribose of a nucleotide that is not bound to another deoxyribose or phosphate group c) 5' and 3' are designations of the DNA base that is unbound to another base d) The 5' end of DNA is always considered the start of the gene and the 3' end is considered the endarrow_forwardA 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_forward
- Which of the following is true about the Z-DNA helix? a) It has fewer base pairs per turn than B-DNA b) It tends to be found at the 3' end of the genes c) It has alternating GC sequences d) It is a permanent conformation of DNAarrow_forwardWhich of the following conventions is used to specify the sequence of bases in DNA a) The sequence begins with the nucleotide that has a free 3' terminus b) The sequence begins with the nucleotide that has a free 5' terminus c) The sequence begins from the end closest to the first adenine d) The sequence begins from the end closest to the first thyminearrow_forwardWhich of the following is NOT true of deoxyribonucleic acid (DNA)? A. None of the other four answers (all are true of DNA) B. Each DNA nucleotide contains the sugar ribose, phosphate, and one of the following nitrogenous bases: adenine, uracil, guanine, or cytosine C. Stores genetic information that can be expressed within a bacterial cell, transferred “vertically” to offspring cells, or “horizontally” to other recipient cells D. Found as a circular molecule in bacteria, either as chromosomes or plasmids E. Serves as a template for the transcription of mRNAarrow_forward
- How will each of the following substances or conditions affect DNA structure? a. ethanol; b. heat; c. dimethylsulfate; d. nitrous acid; e. 5-BUarrow_forwardWhich of the following items do not affect the melting temperature of DNA? A) length of the DNA the type of polymerase used to amplify the DNA (C) salt content surrounding the DNA D) nucleotide composition of the DNA E) the type of DNA (genomic versus CDNA)arrow_forwardWhich of the following are differences between DNA and RNA molecules? a) DNA has the nitrogenous bases: A, T, C, G and RNA has the nitrogenous bases A, U, C, G b) DNA molecules are held together by covalent bonds between the 5 carbon sugar and the phosphate groups; RNA molecules are held together by hydrogen bonds c) DNA's 5 carbon sugar is deoxyribose and RNA's 5 carbon sugar is ribose d) DNA is a double-stranded helix; RNA is one strandarrow_forward
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