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A1.2 Nucleic Acids SL Questions and Answers
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A1.2 Nucleic Acids SL Questions and Answers
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A1.2 Nucleic Acids SL Questions andAnswers
Nucleic acids - Answer-Nucleotides, DNA, RNA
Genetics - Answer-The scientific study of heredity
DNA - Answer-Deoxyribonucleic acid, a self-replicating material present in nearly all
living organisms as the main constituent of chromosomes. It is the carrier of genetic
information.
RNA - Answer-A single-stranded nucleic acid that passes along genetic messages.
Contains uracil.
Nucleotides - Answer-Monomers of nucleic acids, containing a pentose sugar, a
phosphate and a base (C, G, A, T or U)
Phosphate - Answer-Links the pentose sugars together in the DNA/RNA backbone.
Deoxyribose - Answer-The sugar found in DNA nucleotides
Ribose - Answer-The sugar found in RNA nucleotides
Nitrogen base - Answer-The chemicals that make up the rungs of the DNA ladder. A-T
and C-G match. (RNA uses U, not T)
Genetic code - Answer-The ordering of nucleotides in DNA molecules that carries the
genetic information in living cells
Polymer - Answer-A long molecule consisting of many similar or identical monomers
linked together.
Condensation reaction - Answer-A reaction in which two molecules become covalently
bonded to each other through the loss of water.
Complementary base pairs - Answer-Adenine to Thymine. Cytosine to Guanine
Polynucleotides - Answer-polymers of nucleic acids
Antiparallel - Answer-Sugar-phosphate backbones running in opposite directions
DNA Replication - Answer-The process in which DNA makes a duplicate copy of itself.
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