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