CHEM 210 Biochemistry Module 6 Exam 2026 Portage
Learning Questions and Verified Answers graded A+
In RNA, guanine always pairs with .
- Thymine
- Guanine
- Uracil
- Cytosine
Cytosine
In DNA, adenine always pairs with .
A. Thymine
B. Guanine
C. Uracil
D. Cytosine
A. Thymine
DNA is built from which of the following?
A. Nucleosides
B. Genes
C. Purines
D. Nucleotide
E. Codons
D. Nucleotide
The double helix of DNA is stabilized mainly by .
, A. Ionic bonds
B. Covalent bonds
C. Ion-dipole bonds
D. Hydrogen bonds
E. Hydrogen covalent bonds
D. Hydrogen bonds
Which of the following pentose sugars is a constituent of tRNA?
A. Xylose
B. Ribitol
C. 2-deoxyribose
D. Arabinose
E. Ribose
E. Ribose
Which of the following pentose sugars is a constituent of DNA?
A. Xylose
B. Ribitol
C. 2-deoxyribose
D. Arabinose
E. Ribose
C. 2-deoxyribose
Pyrimidines have ring(s), (each) containing nitrogen(s), whereas purines have
ring(s), (each) containing nitrogen(s).
A. 1; 1; 1; 1
B. 1; 2; 2; 2
C. 2; 2; 1; 2
D. 2; 1; 1; 2
E. 2; 2; 1; 1
B. 1; 2; 2; 2
Identify the base guanine from among the following structures.
D
Which of the following nucleic acids is responsible for using the encoded genetic information to
produce proteins found in living organisms?
A. Peptide nucleic acid
B. Ribonucleic acid
Learning Questions and Verified Answers graded A+
In RNA, guanine always pairs with .
- Thymine
- Guanine
- Uracil
- Cytosine
Cytosine
In DNA, adenine always pairs with .
A. Thymine
B. Guanine
C. Uracil
D. Cytosine
A. Thymine
DNA is built from which of the following?
A. Nucleosides
B. Genes
C. Purines
D. Nucleotide
E. Codons
D. Nucleotide
The double helix of DNA is stabilized mainly by .
, A. Ionic bonds
B. Covalent bonds
C. Ion-dipole bonds
D. Hydrogen bonds
E. Hydrogen covalent bonds
D. Hydrogen bonds
Which of the following pentose sugars is a constituent of tRNA?
A. Xylose
B. Ribitol
C. 2-deoxyribose
D. Arabinose
E. Ribose
E. Ribose
Which of the following pentose sugars is a constituent of DNA?
A. Xylose
B. Ribitol
C. 2-deoxyribose
D. Arabinose
E. Ribose
C. 2-deoxyribose
Pyrimidines have ring(s), (each) containing nitrogen(s), whereas purines have
ring(s), (each) containing nitrogen(s).
A. 1; 1; 1; 1
B. 1; 2; 2; 2
C. 2; 2; 1; 2
D. 2; 1; 1; 2
E. 2; 2; 1; 1
B. 1; 2; 2; 2
Identify the base guanine from among the following structures.
D
Which of the following nucleic acids is responsible for using the encoded genetic information to
produce proteins found in living organisms?
A. Peptide nucleic acid
B. Ribonucleic acid
