Chemistry > QUESTIONS & ANSWERS > Portage Learning Chem 210 - Module 6 exam (All)
Question 1 3 / 3 pts In RNA, guanine always pairs with ________. Thymine Guanine Cytosine Uracil Both A and B CYSTOSINE Question 2 3 / 3 pts DNA is built from which of the following? ... Nucleosides Genes Purines Nucleotide Codons NUCLEOTIDE Question 3 3 / 3 pts The Z-form helix of DNA is stabilized mainly by __________. Ionic bonds Covalent bonds Hydrogen bonds Ion-dipole bonds Hydrogen covalent bonds HYDROGEN BONDS Question 4 3 / 3 pts Which of the following pentose sugars is a constituent of mRNA? Ribose Xylose Ribitol 2-deoxyribose Arabinose RIBOSE Question 5 3 / 3 pts Purines have ________ ring(s), (each) containing ______ nitrogen(s), whereas pyrimidines have ________ ring(s), (each) containing ______ nitrogen(s). 1; 1; 1; 1 1; 2; 1; 2 2; 1; 1; 2 2; 2; 1; 1 2; 2; 1; 2 2; 2; 1; 2 Question 6 3 / 3 pts Identify the base guanine from among the following structures. A. B. C. D. E. D Question 7 3 / 3 pts Which of the following nucleic acids is responsible for using the encoded genetic information to produce proteins found in living organisms? Peptide nucleic acid Ribonucleic acid Ribitol nucleic acid Deoxyribonucleic acid Glycerol nucleic acid RIBONUCLEIC ACID Question 8 3 / 3 pts Identify the complem [Show More]
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