EBK MICROBIOLOGY:W/DISEASES BY BODY...-
5th Edition
ISBN: 9780134608242
Author: BAUMAN
Publisher: PEARSON
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Chapter 7, Problem 12CT
Hydrogen bonds between complementary
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What would happen to the base pairing of DNA if we removed the van der Waals dispersion forces? Click on the VIEW IMAGE button to get a hint. a) The bases would lose their structure b) There would be no significant change c) The ladder of DNA would hydrolyze d) The double helix would unwind
10) In the diagram below:
a) Label a phosphodiester linkage
b) Label an N-glycosidic bond
c) Label the 3' and 5' ends of the DNA strand
d) Explain how you were able to identify these as the 3' and 5' ends
0₁P -CH₂
H₂C
0₂P-CH₂
ΝΗ
04P -CH₂
OH
NH₂
NH₂
DNA molecules consist of chemically linked sequences of the bases adenine, guanine, cytosine, and thymine, denoted A, G, C, and T. A sequence of three basesiscalleda codon. A base may appear more than once in a codon. a) How many different codons are there? b) The bases A and G are purines, while C and T are pyrimidines. How many codons are there whose first and third bases are purines and whose second base is a pyrimidine? c) How many codons consist of three different bases?
Chapter 7 Solutions
EBK MICROBIOLOGY:W/DISEASES BY BODY...-
Ch. 7 - DNA replication requires a large amount of energy,...Ch. 7 - Vibrio vulnificus Infection Greg enjoyed Floridas...Ch. 7 - Prob. 2TMWCh. 7 - Prob. 3TMWCh. 7 - Why is the genetic ancestry of microbes much more...Ch. 7 - Prob. 1CCSCh. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - A plasmid is ___________. a. a molecule of RNA...Ch. 7 - Prob. 4MC
Ch. 7 - Prob. 5MCCh. 7 - Which of the following molecules functions as a...Ch. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - The Ames test ___________. a. uses auxotrophs and...Ch. 7 - Which of the following methods of DNA repair...Ch. 7 - Prob. 11MCCh. 7 - Prob. 12MCCh. 7 - Which of the following statements is true? a....Ch. 7 - Prob. 14MCCh. 7 - Although two cells are totally unrelated, one cell...Ch. 7 - Prob. 16MCCh. 7 - Prob. 17MCCh. 7 - Prob. 18MCCh. 7 - Prob. 19MCCh. 7 - Prob. 20MCCh. 7 - Prob. 21MCCh. 7 - Prob. 22MCCh. 7 - Prob. 23MCCh. 7 - Before mutations can affect a population...Ch. 7 - Prob. 25MCCh. 7 - Fill in the Blanks 1. The three steps in RNA...Ch. 7 - Fill in the Blanks 2. A triplet of mRNA...Ch. 7 - Fill in the Blanks 3. Three effects of point...Ch. 7 - Fill in the Blanks 4. Insertions and deletions in...Ch. 7 - Fill in the Blanks 5. An operon consists of...Ch. 7 - Prob. 6FIBCh. 7 - Prob. 7FIBCh. 7 - Fill in the Blanks 8. A gene for antibiotic...Ch. 7 - Fill in the Blanks 9. ______ are nucleotide...Ch. 7 - Fill in the Blanks 10. ____________ is a...Ch. 7 - Fill in the Blanks 11.________ RNA carries amino...Ch. 7 - Fill in the Blanks 12. ______ RNA and ______ RNA...Ch. 7 - How does the genotype of a bacterium determine its...Ch. 7 - List several ways in which eukaryotic messenger...Ch. 7 - Compare and contrast intrans and exons.Ch. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Describe the operon model of gene regulation.Ch. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Describe the formation and function of mRNA, rRNA,...Ch. 7 - Prob. 9SACh. 7 - Explain the central dogma of genetics.Ch. 7 - Compare and contrast the processes of...Ch. 7 - Fill in the following table:Ch. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - The drugs ddC and AZT are used to treat AIDS....Ch. 7 - If molecules of mRNA have the following nucleotide...Ch. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Explain why an insertion of three nucleotides is...Ch. 7 - How could scientists use siRNA to turn off a...Ch. 7 - Prob. 5CTCh. 7 - Prob. 6CTCh. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Corynebacterium diphtheriae, the causative agent...Ch. 7 - Prob. 10CTCh. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Hydrogen bonds between complementary nucleotides...Ch. 7 - On average, RNA polymerase makes one error for...Ch. 7 - We have seen that wobble makes the genetic code...Ch. 7 - If a scientist synthesizes a DNA molecule with the...Ch. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Suppose you want to insert into your dog a gene...Ch. 7 - Using the following terms, fill in the following...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following does NOT describe DNA as it occurs in Eukaryotic cells. CHOOSE ALL THAT APPLY: 1. nitrogenous bases of opposite strands are paired through covalent bonds 2. base pairs are stacked 3.4 A (0.34 nm) apart 3. the two strands of one double helix are complementary 4. two long polynucleotide chains 5. there are 20 base pairs per each turn of a double helix 6. adenine pairs with thymine of the neighboring nucleotide in a single DNA strand 7. bases face outside of the double helix 8. consecutive nucleotides of a single DNA strand are linked by hydrogen bonds 9. here are A-T and G-C pairs in DNA double helix 10. sugar-phosphate backbone of a single DNA strand is formed by linking deoxyribose units and phosphate groups through phosphodiester bonds 11. the two strands of one helix are antiparallel 12.double helix 13. the larger major groove alternates with the smaller minor groove along the length of the double stranded DNA I tried 2,3,4,9,10,11,12,13 together and got it…arrow_forwardWhich of the following statements regarding polynucleotides is true? a) A double stranded DNA forms a right-handed helix, where both strands run anti-parallel to each other. b) A double stranded DNA forms a left-handed helix, where both strands run anti-parallel to each other. c) A double stranded DNA forms a left-handed helix, where both strands run parallel to each other. d) A double stranded DNA forms a right-handed helix, where both strands run parallel to each other.arrow_forwardWhy do you think it is important that the sugar-phosphate backbone of DNA be held together by covalent bonds while the two strands of double stranded DNA are held together by hydrogen bonds?arrow_forward
- What holds the two strands of a DNA double helix together? A) hydrogen bonds between bases B) hydrogen bonds between phosphates C) hydrophobic bonds between bases D) hydrophobic bonds between sugars E) phosphate bondsarrow_forwardWhich of the following is NOT a characteristic of the DNA Double Helix? a) The two strands run in an anti-parallel fashion based on their polarity. b) Hydrogen bonding between nucleotides holds the strands together. c) DNA is 20 Angstrom's wide. d) The percentage of Guanine and Thymine present in a double helix strand are always equal.arrow_forwardTo create a DNA:RNA hybrid from a short stretch of DNA with the sequence 5'-GGCTAAGTATGCCTAGTAGC-3', design the corresponding RNA sequence. Indicate the sequence in a 5' to 3' manner. What type of helix (A, B or Z) will this double-stranded nucleic acid form?arrow_forward
- Like DNA, RNA follows base-pairing rules. Experiment to find which RNA nucleotide on the right side of the Gizmo will successfully pair with the thymine at the top of the template strand of DNA. (NOTE: The DNA on the right side is the template strand.) Which RNA base bonded with the thymine?arrow_forwardDraw a two-stranded anti-parallel -sheet where each strand is 5 amino acids long. Use “R” to show the placement of the side chains and indicate H bonds. Also, use wedges and dashes to indicate directionality of R and H.arrow_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_forward
- An RNA molecule has the following percentages of bases: A = 27%, U = 38%, C=20%, G = 15%. (A) Is this RNA molecule single-stranded or double stranded? How can you tell? (B) What would be the percentage of each of the bases in the template strand of the DNA that contains the gene for this RNA?arrow_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_forwardYou have created a synthetic nucleotide, nucleotide X, which can be substituted into a DNA strand and is able to pair with C nucleotides. However, a C-X pairing is joined by a single hydrogen bond. If you were to create a DNA strand made with A, C, T and your new nucleotide X instead of G the new strand would... a) Denature at higher temperatures than a strand made with A, C, G, and T b) Expect helicase would have more difficulty separating these strands than strands made with A, C, G and T c) Denature at lower temperatures than a strand made with A, C, G, and T d) Not expect to see any differences in the physical properties of this DNA compared to DNA made with A, C, G and Tarrow_forward
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