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Portage Biochem Module 6 Questions & Answers

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Most common nucleic acids - ANSWERSDeoxyribonucleic acid (DNA) Ribonucleic acid (RNA) Nucleic acid monomers - ANSWERSnucleotides DNA function - ANSWERSstores genetic info encoding primary sequence of proteins RNA function - ANSWERSmakes proteins from info in DNA Nucleotide structure - ANSWERSbase + monosaccharide + phosphoric acid (H3PO4) Site of phosphoric acid bonding to sugar - ANSWERSCarbon 5 Composition of bases - ANSWERSheterocyclic organic compounds containing N Purine structure - ANSWERS2 rings fused together Purine bases - ANSWERSAdenine and Guanine Pyramidine structure - ANSWERSsingle ring Pyramidine bases - ANSWERSCytosine, thymine (DNA), uracil (RNA) Distinction between thymine and uracil - ANSWERSThymine has an extra methyl group (looks like an antenna) RNA sugar - ANSWERSD-ribose; carbon 2 has an -OH group DNA sugar - ANSWERS2-deoxy-D-ribose; Carbon 2 has -H Nucleoside structure - ANSWERSbase covalently bonded to ribose or 2-deoxyribose Site of base + sugar bonding - ANSWERSanomeric carbon of sugar and N of base primary structure of nucleic acids - ANSWERScovalent bonding of phosphate groups and sugar to form backbone

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Portage Biochem Module 6 Questions &
Answers
Most common nucleic acids - ANSWERSDeoxyribonucleic acid (DNA)
Ribonucleic acid (RNA)

Nucleic acid monomers - ANSWERSnucleotides

DNA function - ANSWERSstores genetic info encoding primary sequence of proteins

RNA function - ANSWERSmakes proteins from info in DNA

Nucleotide structure - ANSWERSbase + monosaccharide + phosphoric acid (H3PO4)

Site of phosphoric acid bonding to sugar - ANSWERSCarbon 5

Composition of bases - ANSWERSheterocyclic organic compounds containing N

Purine structure - ANSWERS2 rings fused together

Purine bases - ANSWERSAdenine and Guanine

Pyramidine structure - ANSWERSsingle ring

Pyramidine bases - ANSWERSCytosine, thymine (DNA), uracil (RNA)

Distinction between thymine and uracil - ANSWERSThymine has an extra methyl group
(looks like an antenna)

RNA sugar - ANSWERSD-ribose; carbon 2 has an -OH group

DNA sugar - ANSWERS2-deoxy-D-ribose; Carbon 2 has -H

Nucleoside structure - ANSWERSbase covalently bonded to ribose or 2-deoxyribose

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