chem 210 exam 6 Questions and Correct
Answers, With Complete Solution. 2024.
in RNA, guanine always pairs with ______
A. thymine
B. guanine
C. cytosine
D. uracil
E. both A and B
C. cytosine
DNA is built from which of the following?
A. nucleosides
B. genes
C. purines
D. nucleotide
E. codons
D. nucleotide
the Z-form helix of DNA is stabilized mainly by_____
A. ionic bonds
B. covalent bonds
C. hydrogen bonds
D. ion-dipole bonds
E. hydrogen covalent bonds
C. hydrogen bonds
which of the following pentose sugars is a constituent of mRNA?
A. ribose
B. xylose
C. ribitol
D. 2-deoxyribose
E. arabinose
A. ribose
Purines have ____ ring(s), (each) containing _____ nitrogen(s), whereas
pyrimidines have _____ ring(s), (each) containing _____ nitrogens.
A. 1; 1; 1; 1
B. 1; 2; 1; 2
C. 2; 1; 1; 2
D. 2; 2; 1; 1
E. 2; 2; 1; 2
E. 2; 2; 1; 2
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
, C. ribitol nucleic acid
D. deoxyribonucleic acid
E. glycerol nucleic acid
B. ribonucleic acid
identify the complementary bases from the following
A. adenine-cytosine
B. adenine-thymine
C. guanine-thymine
D. guanine-adenine
E. cytosine-uracil
B. adenine-thymine
how many hydrogen bonds are made between T and its complementary
nucleotide?
A. 2
B. 3
C. 4
D. 5
E. 6
A. 2
the base sequence along one strand of DNA of 5'-GCATGAGCC-3'. what is the
sequence of the complementary strand of DNA?
A. 5'-CTAGTCCGC-3'
B. 3'-CGTACTCGG-5'
C. 3'-CTAGTCCGC-5'
D. 3'-CAGTCAGCT-5'
E. 5'-CTGACTACG-3'
B. 3'-CGTACTCGG-5'
which of the following types of RNA functions as the molecule to bring amino
acids to ribosomes?
A. mRNA
B. gRNA
C. rRNA
D. snRNA
E. tRNA
E. tRNA
which of the following is a set of three sequential nucleotides that encodes for a
particular amino acid?
A. codon
B. anticodon
C. allele
D. gene
E. chromosome
A. codon
a type of DNA that has a right-handed helix is the
A. A-form
B. X-form
Answers, With Complete Solution. 2024.
in RNA, guanine always pairs with ______
A. thymine
B. guanine
C. cytosine
D. uracil
E. both A and B
C. cytosine
DNA is built from which of the following?
A. nucleosides
B. genes
C. purines
D. nucleotide
E. codons
D. nucleotide
the Z-form helix of DNA is stabilized mainly by_____
A. ionic bonds
B. covalent bonds
C. hydrogen bonds
D. ion-dipole bonds
E. hydrogen covalent bonds
C. hydrogen bonds
which of the following pentose sugars is a constituent of mRNA?
A. ribose
B. xylose
C. ribitol
D. 2-deoxyribose
E. arabinose
A. ribose
Purines have ____ ring(s), (each) containing _____ nitrogen(s), whereas
pyrimidines have _____ ring(s), (each) containing _____ nitrogens.
A. 1; 1; 1; 1
B. 1; 2; 1; 2
C. 2; 1; 1; 2
D. 2; 2; 1; 1
E. 2; 2; 1; 2
E. 2; 2; 1; 2
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
, C. ribitol nucleic acid
D. deoxyribonucleic acid
E. glycerol nucleic acid
B. ribonucleic acid
identify the complementary bases from the following
A. adenine-cytosine
B. adenine-thymine
C. guanine-thymine
D. guanine-adenine
E. cytosine-uracil
B. adenine-thymine
how many hydrogen bonds are made between T and its complementary
nucleotide?
A. 2
B. 3
C. 4
D. 5
E. 6
A. 2
the base sequence along one strand of DNA of 5'-GCATGAGCC-3'. what is the
sequence of the complementary strand of DNA?
A. 5'-CTAGTCCGC-3'
B. 3'-CGTACTCGG-5'
C. 3'-CTAGTCCGC-5'
D. 3'-CAGTCAGCT-5'
E. 5'-CTGACTACG-3'
B. 3'-CGTACTCGG-5'
which of the following types of RNA functions as the molecule to bring amino
acids to ribosomes?
A. mRNA
B. gRNA
C. rRNA
D. snRNA
E. tRNA
E. tRNA
which of the following is a set of three sequential nucleotides that encodes for a
particular amino acid?
A. codon
B. anticodon
C. allele
D. gene
E. chromosome
A. codon
a type of DNA that has a right-handed helix is the
A. A-form
B. X-form
