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DNA and RNA, DNA, bind to form complementary pairs
(adenine binds only to…
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DNA
are macromolecules composed of a skeleton of:
a)pentose sugar
b)phosphate molecules
=tied together in a long chain
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If sugar is deoxyribose, the polymer is DNA (=deoxyribonucleic acid)
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Dna and Rna are found in all living organism,where they: -ecode
-trasmit
-express
genetic information inside and outside the nucleus
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Rna is:
-is a vector of genetic information
-is a catalyst for biochemical reactions
-allows protein synthesis
There are three types of RNA:
a) Transfer of RNA (tRNA)=transport molecule and is responsible for decoding mRna
b) Messenger RNA (mRNA) = controls protein synthesis and carries information about the genetic sequence between DNA and ribosomes
c)Ribosomal RNA (rRNA) = Composes ribosomes and catalyzes the formation of peptide bonds
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