CHEM 210 Biochemistry Module 6 Exam |
Questions and Verified Answers | Latest
2025/2026 Guide | Portage Learning
Question 1
pts
In RNA, guanine always pairs with ________.
Thymine
Guanine
Cytosine
Uracil
Both A and B
CYSTOSINE
Question 2
pts
DNA is built from which of the following?
Nucleosides
Genes
Purines
Nucleotide
Codons
NUCLEOTIDE
Question 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
pts
Which of the following pentose sugars is a constituent of mRNA?
Ribose
Xylose
Ribitol
2-deoxyribose
Arabinose
RIBOSE
Question 5
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
Questions and Verified Answers | Latest
2025/2026 Guide | Portage Learning
Question 1
pts
In RNA, guanine always pairs with ________.
Thymine
Guanine
Cytosine
Uracil
Both A and B
CYSTOSINE
Question 2
pts
DNA is built from which of the following?
Nucleosides
Genes
Purines
Nucleotide
Codons
NUCLEOTIDE
Question 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
pts
Which of the following pentose sugars is a constituent of mRNA?
Ribose
Xylose
Ribitol
2-deoxyribose
Arabinose
RIBOSE
Question 5
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