PORTAGE LEARNING CHEM 210 - MODULE 6 EXAM

PORTAGE LEARNING CHEM 210 - MODULE 6 EXAM. In RNA, guanine always pairs with . Thymine Guanine Cytosine Uracil Both A and B CYSTOSINE DNA is built from which of the following? Nucleosides Genes Purines Nucleotide Codons NUCLEOTIDE 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 1 3 / 3 pts Question 2 3 / 3 pts Question 3 3 / 3 pts Question 4 3 / 3 pts Question 5 3 / 3 pts Which of the following pentose sugars is a constituent of mRNA? Ribose Xylose Ribitol 2-deoxyribose Arabinose RIBOSE 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 Identify the base guanine from among the following structures. Question 6 3 / 3 pts A. B. C. D. E. D 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 7 3 / 3 pts Identify the complementary bases from the following