Which combination correctly represents the three components of DNA nucleotide?, Ribose,phosphate,amino acid, Deoxyribose,phosphate,nitrogenous base, Deoxyribose,lipid, nitrogenous base, Ribose, phosphate, nitrogenous base, DNA monomer is?, Nucleotide, Gene, Protein, Chromosome, DNA sugar type?, Glucose, Ribose, Deoxyribose, Fructose, Why was p32 used to label DNA in Hershey -chase experiments, Proteins contain large amount of phosphorus, Phosphorus is part of thymine, Dna contains phosphorus in it's phosphate groups, Phosphorus is part of deoxyribose, RNA sugar type?, Deoxyribose, Ribose, Lactose, Glucose, Who proposed the double helix model of DNA in 1953 according to the material?, Griffith and Avery, Hershy and chase, Watson and crick, Chargaff and griffith, How many base pairs are present in 3 complete turns?, 10, 20, 30, 40, Which base pairing would be expected in DNA in molecule, A-G andT-C, A-C and G-T, A-T and G-C, A-U and G-T, G pairs with?, Uracil, Adenine, Thymine, Cytosine, A-T bonds count?, Four, Two, One, Three, Which statement about histone is correct?, They are negatively charged proteins that repel DNA, They are nitrogenous bases that form DNA, They are positively charged proteins that help package DNA, They are enzymes that copy DNA, Which type of chromatin is described as lossely packed ?, Heterochromatin, Euchromatin, Nucleosome, Solenoid, Chromosome is made only of RNA and contains proteins, True, False, DNA diameter?, 20 nm, 2 nm, 3.4 nm, 0.34 nm, The two DNA strands are parallel to each other in the double helix, True, False, Which sequence correctly represents increasing levels of DNA packaging?, DNA -chromosome-nucleosome-chromatin, DNA-nucleosome-30nm fiber-looped domains-chromatid-chromsome, Nucleosome-DNA-chromosome-chromatid, Dna-chromatid-nucleosome-chromosome, Uracil is found in RNA instead of thymine, True, False, Griffith's experiments provided evidence for the existence of:, A transforming principle, Ribosomes, RNA translation, Histones, Model proposed in?, 1928, 1952, 1944, 1953, In DNA,adenine pairs with cytosine through hydrogen bonds, True, False, Chargaff rule says?, G equals T, A equals G, T equals C, A equals T, Purines are?, A and G, A and T, G and C, T and C, Pyrimidines are?, G and U, A and G, T and C, A and T, Genes are segments of?, Starch, DNA, Protein, Lipid, Genes located on?, Chromosomes, Membranes, Ribosomes, Vacuoles, Human chromosomes count?, 48, 44, 46, 23, DNA packaged around?, Sugars, Histones, Lipids, Enzymes, Basic packaging unit?, Centromere, Chromatid, Ribosome, Nucleosome, Linker histone is?, H2A, H1, H4, H3, Transforming principle is?, DNA, Protein, Polysaccharide, Lipid, DNA and RNA contain the same type of pentose sugar, true, false, Euchromatin is more tightly packed than heterochromia and is generally less accessible for transcription, True, false, If DNA molecule contains 20% guanine,what percentage of the molecule is cytosine?, 20%, 30%, 60%, in the Avery-Macleod-McCarty experiments, which substance from heat killed S cells was able to transform live R cells into S cells?, Protein, lipid, RNA, DNA, DNA consists of double strand while RNA consists of single strand, true, false

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