EP MICROBIOLOGY:W/DISEASES BY..-MOD.ACC
5th Edition
ISBN: 9780134607894
Author: BAUMAN
Publisher: PEARSON CO
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Chapter 2, Problem 15CT
A textbook states that only five
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Name the bases in the pentanucleotide with the sequence G-A-U-C-A. Does this come from RNA or DNA? Explain.
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
Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. Approximately what
percentage of the nucleotides in this sample will be thymine?
Chapter 2 Solutions
EP MICROBIOLOGY:W/DISEASES BY..-MOD.ACC
Ch. 2 - Electrons zip around the nucleus at about 5...Ch. 2 - Chlorine and potassium atoms form ionic bonds,...Ch. 2 - Why are decomposition reactions exothermic, that...Ch. 2 - Why does the neutralization of an acid by a base...Ch. 2 - Raw Oysters and Antacids: A Deadly Mix? The highly...Ch. 2 - Why do the cell membranes of microbes living in...Ch. 2 - Prob. 1MCCh. 2 - The atomic mass of an atom most closely...Ch. 2 - One isotope of iodine differs from another in...Ch. 2 - Prob. 4MC
Ch. 2 - Which of the following terms most correctly...Ch. 2 - In water, cations and anions of salts dissociate...Ch. 2 - Prob. 7MCCh. 2 - Which of the following statements about a...Ch. 2 - Proteins are polymers of ___________. a. amino...Ch. 2 - Which of the following are hydrophobic organic...Ch. 2 - Fill in the Blanks 1. The outermost electron shell...Ch. 2 - Fill in the Blanks 2. The type of chemical bond...Ch. 2 - Prob. 3FIBCh. 2 - Prob. 4FIBCh. 2 - Fill in the Blanks 5. Groups of atoms such as NH2...Ch. 2 - Fill in the Blanks 6. The reverse of dehydration...Ch. 2 - Fill in the Blanks 7. Reactions that release...Ch. 2 - Fill in the Blanks 8. All chemical reactions begin...Ch. 2 - Fill in the Blanks 9. The ____________ scale is a...Ch. 2 - Prob. 10FIBCh. 2 - Label a portion of the molecule below; label two...Ch. 2 - Shown is the amino acid tryptophan. Put the letter...Ch. 2 - List three main types of chemical bonds, and give...Ch. 2 - Name five properties of water that are vital to...Ch. 2 - Prob. 3SACh. 2 - What is the difference between atomic oxygen and...Ch. 2 - Explain how the polarity of water molecules makes...Ch. 2 - Prob. 1CTCh. 2 - Prob. 2CTCh. 2 - Two freshmen disagree about an aspect of...Ch. 2 - When an egg white is heated, it changes from...Ch. 2 - Prob. 5CTCh. 2 - The poison glands of many bees and wasps contain...Ch. 2 - Prob. 7CTCh. 2 - Prob. 8CTCh. 2 - The deadly poison hydrogen cyanide has the...Ch. 2 - Triple covalent bonds are stronger and more...Ch. 2 - How can hydrogen bonding between water molecules...Ch. 2 - How can a single molecule of magnesium hydroxide...Ch. 2 - Prob. 13CTCh. 2 - Prob. 14CTCh. 2 - A textbook states that only five nucleotide bases...Ch. 2 - Using the following terms, fill in the following...
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- How many kilobases of the DNA strand below will code for the protein product?arrow_forward(a) Identify the base and monosaccharide in the following nucleotide. (b) Give the name and three- or four-letter abbreviation for the compound.arrow_forwardDNA in the form of a double helix must be associated with cations, usually Mg²+ . Why is this requirement the case?arrow_forward
- Cytosine makes up 42% of the nucleotides in a sample of DNA from an organism. The composition of the remaining bases is % adenine, % guanine, and % thymine.arrow_forwardWhat kind of repeating polynucleotide would yield a single polypeptide with a tetrapeptide repeating unit?arrow_forwardProvide a complete name for a nucleotide that consists of thymine, deoxyribose, and three phosphatesarrow_forward
- Which bases can exist in imino form? O Adenine, Cytosine O Guanine, Thymine O Adenine, Cytosine, Guanine O cytosine, Guanine, Thymine O Adeninearrow_forwardPlace an asterisks (*) next to the 3' carbon atoms in the polynucleotide shown. -O CH₂ HOHDH Guanine -O-CH₂ H H H Thymine =P-O-CH₂ H OH Answer Bank H H Cytosinearrow_forwardName the nitrogenous base in DNA.arrow_forward
- Why is Tm related to base composition?arrow_forwarddraw a picture of a SINGLE strand of DNA (a polynucleotide) composed of 9 (nine) nucleotides of your choice. Do use ALL 4 nucleotides. Use 3 simple symbols to represent the phosphate, the sugar, and the base in each nucleotide. For example, use a circle with the letter “P” for the phosphate in the backbone, a square with the letter “S” for the sugar in the backbone, and a triangle with the letter “A, T, C or G” for the bases.As you draw the diagram be sure to put solid lines for the covalent bonds you are creating to join new nucleotides to the elongating DNA chain.arrow_forwardDNA and RNA are chemically very similar but are distinguished, in large part, by the presence of a 2’-OH group in RNA and a 2’-H group in DNA. Why do you suppose that both DNA and RNA have 3’-OH groups and we do not typically find nucleic acids within cells that have 3’-H groups?arrow_forward
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