DNA - Quiz
A) Single loop B) Double helix C) Triple spiral D) Linear sheet
A) Lipid synthesis B) Catalytic digestion C) Genetic instructions D) Cellular respiration
A) Phospholipid B) Amino acid C) Ribonucleic acid D) Polysaccharide
A) Polypeptides B) Monosaccharides C) Nucleotides D) Fatty acids
A) Guanine B) Cytosine C) Uracil D) Thymine
A) Ribose B) Fructose C) Glucose D) Deoxyribose
A) Covalent bonds B) Hydrogen bonds C) Peptide bonds D) Ionic bonds
A) Phosphodiester linkage B) Polypeptide bridge C) Glycosidic bond D) Ester bond
A) Covalent bonds B) Peptide bonds C) Hydrogen bonds D) Disulfide bonds
A) Uracil B) Thymine C) Guanine D) Cytosine
A) Adenine B) Guanine C) Thymine D) Uracil
A) Pyrimidines and purines B) Pentoses and hexoses C) Phosphates and sugars D) Monomers and polymers
A) Guanine and cytosine B) Adenine and guanine C) Thymine and cytosine D) Adenine and thymine
A) Adenine and guanine B) Cytosine and adenine C) Thymine and guanine D) Thymine and cytosine
A) Single-ringed B) Non-ringed C) Double-ringed D) Triple-ringed
A) Chain-like B) Single-ringed C) Double-ringed D) Branched
A) Antiparallel B) Concentric C) Parallel D) Perpendicular
A) The width of the double helix B) The sequence of four nucleobases C) The alternating phosphate groups D) The buoyant density of the polymer
A) Duplication B) Translation C) Transcription D) Replication
A) Nucleotides B) Amino acids C) Sugars D) Phosphates
A) Transcription B) Replication C) Duplication D) Translation
A) Nucleoli B) Ribosomes C) Plasmids D) Chromosomes
A) During base-stacking B) During transcription C) During DNA replication D) During translation
A) On cell membranes B) In the cytoplasm C) Inside the cell nucleus D) In the ribosomes
A) Golgi apparatus B) Endoplasmic reticulum C) Ribosomes and vacuoles D) Mitochondria and chloroplasts
A) In the cytoplasm B) Inside mitochondria C) Within chloroplasts D) Inside the cell nucleus
A) Helical B) Linear C) Branched D) Circular
A) Enzymatic proteins B) Transport proteins C) Contractile proteins D) Chromatin proteins
A) Collagens B) Histones C) Insulins D) Keratins
A) Nucleoside B) Nucleotide C) Polynucleotide D) Nucleic acid
A) Nucleoside B) Nucleobase C) Polynucleotide D) Nucleotide
A) 22 ångströms B) 34 ångströms C) 10 ångströms D) 3.3 ångströms
A) Left-handed B) Symmetrical C) Bidirectional D) Right-handed
A) 10.0 g/cm3 B) 1.7 g/cm3 C) 1.0 g/cm3 D) 3.4 g/cm3
A) Galactose B) Ribose C) 2-deoxyribose D) Glucose
A) Pentose B) Triose C) Tetrose D) Hexose
A) Third and fifth carbon atoms B) Second and fourth carbon atoms C) Fourth and sixth carbon atoms D) First and second carbon atoms
A) Methyl group B) Hydroxyl group C) Phosphate group D) Amino group
A) Phosphate group B) Hydrogen group C) Carboxyl group D) Hydroxyl group
A) The buoyant density of the polymer B) The orientation of the 3′ and 5′ carbons C) The presence of purines only D) The double helix pitch
A) Peptide bonds and disulfide bridges B) Covalent bonds and ionic interactions C) Hydrophobic tails and lipid bilayers D) Hydrogen bonds and base-stacking interactions
A) Base-stacking interactions B) Glycosidic bonds C) Peptide linkages D) Phosphodiester linkages
A) Polysaccharides B) Steroids C) Nucleic acids D) Enzymes
A) They fuse together B) They convert into RNA C) They separate D) They shorten
A) Three B) Two C) Four D) One
A) Sugar and phosphate groups B) Amino acids and proteins C) Purines and pyrimidines D) Histones and chromatin
A) Phosphodiester bond B) Peptide bond C) Glycosidic bond D) Hydrogen bond
A) Eukaryotes B) Prokaryotes C) Plants D) Animals
A) Six-membered rings B) Fused six- and seven-membered rings C) Fused five- and six-membered rings D) Five-membered rings
A) 7-Methylguanine B) 2,6-Diaminopurine C) 5-methylcytosine D) Uracil
A) Bacteriophage T4 B) Mycobacterium tuberculosis C) Escherichia coli D) Saccharomyces cerevisiae
A) 1925 B) 1905 C) 1984 D) 1953
A) Acting as a molecular immune system protecting from viruses B) Synthesizing new cell walls C) Replicating viral DNA D) Producing artificial nucleic acid analogues
A) Cell wall synthesis B) Viral replication C) Ribosome assembly D) Gene expression
A) N6-carbamoyl-methyladenine B) 5-Hydroxycytosine C) 7-Methylguanine D) Base J
A) 5-Methylcytosine B) 7-Deazaguanine C) N6-methyadenine D) Deoxyarchaeosine
A) α-Glutamythymidine B) 5-Dihydroxypentauracil C) N4-methylcytosine D) 7-Deazaguanine
A) 7-Methylguanine B) N6-carbamoyl-methyladenine C) Uracil D) 5-Formylcytosine
A) N4-methylcytosine B) 7-Deazaguanine C) α-Putrescinylthymine D) 2,6-Diaminopurine
A) 5-Carboxylcytosine B) Deoxyarchaeosine C) Base J D) N6-methyadenine
A) 5-Methylcytosine B) 5-Hydroxycytosine C) 5-Glycosylhydroxymethylcytosine D) 5-Carboxylcytosine
A) 7-Methylguanine B) N6-carbamoyl-methyladenine C) 5-Hydroxymethyldeoxyuracil D) 5-Hydroxycytosine
A) α-Putrescinylthymine B) Base J C) α-Glutamythymidine D) 5-Methylcytosine
A) Deoxyarchaeosine B) N4-methylcytosine C) α-Putrescinylthymine D) α-Glutamythymidine
A) 2,6-Diaminopurine B) N6-methyadenine C) Base J D) 7-Deazaguanine
A) N6-carbamoyl-methyladenine B) 5-Dihydroxypentauracil C) 5-Hydroxymethyldeoxyuracil D) 5-Glycosylhydroxymethylcytosine
A) 7-Methylguanine B) α-Glutamythymidine C) 5-Hydroxymethyldeoxyuracil D) 5-Carboxylcytosine
A) 7-Deazaguanine B) 2,6-Diaminopurine C) Base J D) Deoxyarchaeosine
A) Transcription factors B) Twin helical strands C) Hydrogen bonds D) Base pairs
A) The strands are not symmetrically located with respect to each other B) Due to covalent bonding variations C) Because of adenine and thymine ratios D) Because of high temperature
A) Hoogsteen groove B) Watson-Crick groove C) Minor groove D) Major groove
A) Ordinary B form B) A form C) Z form D) Hoogsteen form
A) Rare variations B) Exclusive to transcription factors C) The primary form in B-DNA D) Very common variations
A) Low temperature or transcription factors B) Minor groove binding proteins C) Mechanical force or high temperature D) Enzymes that form covalent bonds
A) The major groove must widen B) Covalent bonds must be broken C) Hoogsteen base pairs must form D) All information is duplicated on each strand
A) Replication B) Melting C) Annealing D) Transcription
A) Less stable B) Unstable C) More stable D) Equally stable
A) The ribosomal RNA gene core B) The TATAAT Pribnow box C) The telomere ends D) The centromere region
A) Yes, a spherical conformation B) Yes, a perfect helix C) No D) Yes, a rigid rod shape
A) 16,569 base pairs B) 6.37 Gigabase pairs C) 220 million base pairs D) 6.27 Gigabase pairs
A) 85 picograms B) 6.51 picograms C) 208.23 picograms D) 6.41 picograms
A) 205.00 cm B) 6.37 cm C) 85 mm D) 208.23 cm
A) 220 million B) 16,569 C) 500 million D) 6.37 billion
A) 6.51 cm B) 208 cm C) 16,569 mm D) 85 mm
A) 6.37 billion B) 220 million C) 16,569 D) 500
A) 1,500,000 B) 100 C) 500 D) 5
A) 100 B) 1,500,000 C) 500 D) 16,569
A) 500 B) 100,000 C) 220 million D) 100
A) 10% B) 90% C) 100% D) 50%
A) Form closed circular molecules B) Produce 220 million base pairs C) Regulate egg cell mitochondria D) Encode a second protein
A) 205.00 picograms B) 6.41 picograms C) 16,569 picograms D) 6.51 picograms
A) 6.27 Gigabase pairs B) 220 million base pairs C) 16,569 base pairs D) 6.37 Gigabase pairs
A) Neutral supercoiling B) Positive supercoiling C) Reverse supercoiling D) Negative supercoiling
A) Positive supercoiling B) Negative supercoiling C) Alternative supercoiling D) Paracrystalline supercoiling
A) No supercoiling B) Slight positive supercoiling C) Slight negative supercoiling D) Extreme positive supercoiling
A) Bessel enzymes B) Patterson polymerases C) Topoisomerases D) Methylases
A) Topoisomerase researchers B) James Watson and Francis Crick C) Wilkins et al. D) Patterson
A) A-DNA B) Z-DNA C) Left-handed DNA D) B-DNA
A) Hydration B) Methylation C) Bessel transformation D) Topoisomerase cleavage
A) Sulfur B) Carbon C) Arsenic D) Nitrogen |
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