Molecular Basis of Inheritance
CBSE · Class 12 · Biology
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Explore the full setWhat is DNA and what are its main components?
Answer
DNA (Deoxyribonucleic acid) is a long polymer of deoxyribonucleotides that serves as genetic material in most organisms. Its main components are: 1) Nitrogenous bases (Adenine, Guanine, Cytosine, Thym…
What is DNA and what are its main components?
Answer
DNA (Deoxyribonucleic acid) is a long polymer of deoxyribonucleotides that serves as genetic material in most organisms. Its main components are: 1) Nitrogenous bases (Adenine, Guanine, Cytosine, Thym…
State Chargaff's rule and its significance in DNA structure.
Answer
Chargaff's rule states that in double-stranded DNA, the ratio of Adenine to Thymine equals 1, and the ratio of Guanine to Cytosine equals 1. This rule provided crucial evidence for base pairing in DNA…
State Chargaff's rule and its significance in DNA structure.
Answer
Chargaff's rule states that in double-stranded DNA, the ratio of Adenine to Thymine equals 1, and the ratio of Guanine to Cytosine equals 1. This rule provided crucial evidence for base pairing in DNA…
List the five salient features of Watson-Crick DNA double helix model.
Answer
1) Made of two polynucleotide chains with sugar-phosphate backbone and bases projecting inside, 2) Two chains have anti-parallel polarity (one 5'→3', other 3'→5'), 3) Bases paired through hydrogen bon…
List the five salient features of Watson-Crick DNA double helix model.
Answer
1) Made of two polynucleotide chains with sugar-phosphate backbone and bases projecting inside, 2) Two chains have anti-parallel polarity (one 5'→3', other 3'→5'), 3) Bases paired through hydrogen bon…
How is DNA packaged in prokaryotes and eukaryotes?
Answer
Prokaryotes: DNA is held with positively charged proteins in the nucleoid region, organized in large loops. Eukaryotes: DNA wraps around histone octamers to form nucleosomes (200 bp DNA per nucleosome…
How is DNA packaged in prokaryotes and eukaryotes?
Answer
Prokaryotes: DNA is held with positively charged proteins in the nucleoid region, organized in large loops. Eukaryotes: DNA wraps around histone octamers to form nucleosomes (200 bp DNA per nucleosome…
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- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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