Microbiology: An Introduction Plus Mastering Microbiology with Pearson eText -- Access Card Package (13th Edition) (What's New in Microbiology)
13th Edition
ISBN: 9780134688640
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 2CAE
The drug Hivid, also called ddC, inhibits DNA synthesis. It is used to treat HIV infection and AIDS. Compare the following illustration of ddC to the structure of DNA
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Sketch a pyrimidine nucleotide subunit that would be found only in RNA. Circle and label the three components that make up this type of nucleotide. Explain what changes in the functional groups of this subunit would have to occur for it to be found in a DNA molecule.
Which of the following is correct regarding nucleotide structure?
Removal of the ribose-phosphate groups from thymidylic acid or thymidylate yields thymidine
Removal of the ribose-phosphate groups from cytidine yields cytosine
Removal of the phosphate group from guanylic acid or guanylate yields guanine.
Removal of the phosphate group from adenylate or adenylic acid yields adenosine
DNA in the form of a double helix must be associated with cations, usually Mg²+ . Why is this requirement the case?
Chapter 5 Solutions
Microbiology: An Introduction Plus Mastering Microbiology with Pearson eText -- Access Card Package (13th Edition) (What's New in Microbiology)
Ch. 5 - Prob. 1RCh. 5 - DRAW ITUsing the diagrams below, show each of the...Ch. 5 - DRAW IT An enzyme and substrate are combined. The...Ch. 5 - Define oxidation-reduction, and differentiate the...Ch. 5 - There are three mechanisms for the phosphorylation...Ch. 5 - All of the energy-producing biochemical reactions...Ch. 5 - Fill in the following table with the carbon source...Ch. 5 - Write your own definition of the chemiosmotic...Ch. 5 - Why must NADH be reoxidized? How does this happen...Ch. 5 - NAME IT What nutritional type is a colorless...
Ch. 5 - Which substance in the following reaction is being...Ch. 5 - Which of the following reactions produces the most...Ch. 5 - Prob. 3MCQCh. 5 - Which of the following compounds has the greatest...Ch. 5 - Prob. 5MCQCh. 5 - Prob. 6MCQCh. 5 - Which culture produces the most lactic acid? Use...Ch. 5 - Which culture produces the most ATP? Use the...Ch. 5 - Which culture uses NAD+? Use the following choices...Ch. 5 - Which culture uses the most glucose? Use the...Ch. 5 - Explain why, even under ideal conditions,...Ch. 5 - The following graph shows the normal rate of...Ch. 5 - Compare and contrast carbohydrate catabolism and...Ch. 5 - How much ATP could be obtained from the complete...Ch. 5 - The chemoautotroph Acidithiobacillus can obtain...Ch. 5 - Haemophilus influenzae requires hemin (X factor)...Ch. 5 - The drug Hivid, also called ddC, inhibits DNA...Ch. 5 - The bacterial enzyme streptokinase is used to...
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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 are TRUE for RNA compared to DNA? Please select ALL correct answer options. Select 4 correct answer(s) Question 6 options: RNA contains the bases A, G, C, and U, whereas DNA contain the bases A, G, C, and T. RNA can catalyze biological reactions, but DNA cannot. DNA but not RNA can bind proteins RNA has ribose sugar in its nucleotides, rather than the deoxyribose found in DNA. RNA is usually single stranded and can make more complex three-dimensional molecular shapes than double-stranded DNA.arrow_forwardGive typed explanationarrow_forwardChoose a pentapeptied composed of five different amino acids. List the five amino acids. Present the messenger RNA codons for the amino acids and the sequence of the nucleotids on the DNA that was originally coded for the pentapeptide.arrow_forward
- Proflavine was used to treat wounded soldiers in the Far East during the second world war. Which of the following statements is false regarding proflavine! H₂N7 NH₂ Its target is located in the cell membrane. Its planar shape is important to intercalation. The primary amine groups are protonated and interact with phosphate groups of the DNA backbone. When inserted into DNA, the tricyclic system can form van der Waals interactions with base pairs above and below it.arrow_forwardWhen comparing the structures of RNA and DNA , which of the following statement is True?A-Only RNA contains 3'-deoxyribise rings B-Both RNA and DNA contain 3'-deoxyribise rings C-Only DNA contains 3'- deoxyribise rings D-Neither RNA or DNA contain 3'-deoxyribise ringsarrow_forwardDraw the chemical structure of a molecule of adenosine triphosphate. Include labels to indicate the names of its different components.arrow_forward
- Can a DNA strand bind to a complementary RNA strand? Explain.arrow_forwardThe two strands in DNA are not identical but complementary. Explain.arrow_forwardUsing the DNA figure below to identify structures of the following letters: A= B= C= D= E= F: Circle a nucleotide for each backbone strand A B A G G A E Tarrow_forward
- Use the following information to answer the next question. The DNA strand shown below is thought to contain the genetic code for part of an enzyme B-galactosidase which is involved in lactose metabolism. (Read the DNA beginning at the left.) -A-T-A-T-G-G-G-G-C-A-T-G The second amino acid coded from the section of DNA for B-galactosidase is Select one: a. thymine b. tryptophan c. serine d. threoninearrow_forwardTwo highly negatively charged complementary strands of DNA come together to form a double helix. What prevents them from repelling each other?arrow_forwardName the bases in the pentanucleotide with the sequence G-A-U-C-A. Does this come from RNA or DNA? Explain.arrow_forward
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