biochem quiz

• RNA that assist in forming mRNA from hnRNA - SnRNA
• First enzyme involved in replication which unwinds the DNA - Helicase
• Non translating portions of hnRNA called - Introns
• refer to the previous item, it is connected by what enzyme - DNA ligase
• RNA with anticodon on its structure - tRNA
• Refer to the previous item, its percentage to the total cellular RNA is - 10-15%
• Translating portions of hnRNA called exons
• How many subunits does ribosomes have? - 2 subunits
• DNA – specified backbone structure for deoxyribonucleic acid
• dGMP – guanine
• C-5 position – phosphate group is attached to the sugar at the c-5 position through a
• Derivatives of pyrimidine – three of them are derived from pyrimidine a monocyclic base with six membered ring - false