Molecular Basis Of Inheritance
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Biology
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12th Grade
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Ruchit T
Used 9+ times
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7 Slides • 5 Questions
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Molecular Basis Of Inheritance
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The two types of nucleic acids found in living organisms are
Deoxyribonucleic acid [DNA]
Ribonucleic acid [RNA]
DNA and RNA are nucleic acids that carry out cellular processes especially regulation and expresssion of genes
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Nucleic acid composition
Both DNA and RNA are made of nucleotides containing
a five carbon sugar
a phosphate group
a nitrogenous base
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From Nucleotides Into Polymers
DNA is double helix made of two antiparallel strands of nucleotides linked by hydrogen bonding between complementary base pairs.
Phosphate-Sugar Backbone
The Nucleic Acid Ladder
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Antiparallel Strands
5 PRIME = The phosphate end is called the 5' end because the fifth carbon is closest to the phosphate group.
3 PRIME = The sugar end is called the 3' end because the third carbon is closest to the sugar.
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Molecular Basis Of Inheritance
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