MICROBIOLOGY-MASTERING MICRO.-ACCESS
11th Edition
ISBN: 9780321802705
Author: Tortora
Publisher: PEARSON
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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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Which of the following nucleotides found in DNA is dGTP? Note, hydrogens bound to carbon atoms are not shown.
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-MASTERING MICRO.-ACCESS
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 - 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 - 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 - 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_forwardIdentify the structure that is circled in the image below: O cytosine O adenine O guanine O thymine « Previousarrow_forwardGive typed explanationarrow_forward
- When 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_forwardCan a DNA strand bind to a complementary RNA strand? Explain.arrow_forward
- The two strands in DNA are not identical but complementary. Explain.arrow_forwardthe thymine-containing nucleotide has an unusual structure. What function group is missing, at which position? when would you use this nucleotidearrow_forwardName the bases in the pentanucleotide with the sequence G-A-U-C-A. Does this come from RNA or DNA? Explain.arrow_forward
- Draw the DNA and RNA models in Figure 1 in the space provided. Use the legend below to represent the colored plastic chips with letters. Use lines to connect the letter representations of the plastic chips according to how they are attached to each other in Figure 1. These lines represent thechemical bonds between the different nucleic acid subunits. In the case of hydrogen bonds, specify the number of bonds such that one horizontal line corresponds to one hydrogen bond. Label the 5’ and 3’ ends of your polynucleotide strands. Br brown O orange B blue P pinkW white G green Y yellow R red Structure of Genetic Material DNA RNAarrow_forwardChoose the CORRECT components of a nucleoside. a pentose sugar bonded with a hexose sugar a base bonded to a sugar and one or more phosphoryl groups a sugar bonded to a lipid molecule a base bonded to a sugar a base bonded to a sugar and an alcohol residuearrow_forwardA) What is the difference between a nucleoside and a nucleotide? B) Give any two differences between DNA and RNA. C) Draw the structure of deoxyribose and ribose below, and number the carbons. What is the difference between the two structures? Please answer all 3 partsarrow_forward
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