True or False: EXPLAIN the false
________ 1. An A-T base pair and a G-C base pair have about thesame physical dimensions.
________ 2. mRNA is double-stranded.
________ 3. rRNA and tRNA may have modified nucleotideresidues.
________ 4. Eukaryote DNA is normally complexed withhistones.
________ 5. Circular DNA is supercoiled.
________ 6. Two strands of DNA run parallel from their 5’ to 3’ends.
________ 7. An G-C base pair contains two hydrogen bonds.
________ 8. Positively charged counterions are associated withDNA.
________ 9. Bacterial ribosomes consist of a 40S and a 60Ssubunits.
________10. DNA base pairs are parallel to the helix axis.
________11. Only 4 different bases are found in tRNAs.
________12. Messenger RNA is degraded more quickly thanribosomal RNA.
________13. A-DNA is thought to be the principal form thatoccurs in nature.
________14. The denaturation of DNA by heat is calledmelting.
________15. A DNA helix with more A-T base pairs will melt at ahigher temperature than a comparable DNA helix with more G-C basepairs
