Question

8) The "backbones" of DNA and RNA molecules are identical. a. TRUE b. FALSE 9) The 20 standard amino acids are distinguished from each other based by the presence of primary, secondary, or tertiary amino groups on the α carbon a. TRUE b. FALSE 10) The hairpin loop located opposite the open end of a tRNA molecule is the site where the tRNA hydrogen bonds to the hnRNA. a, TRUE b● FALSE 11) Replication usually begins at multiple places on the DNA strand, with replication forks proceeding i both directions in order to speed up the process a. TRUEb. FALSE 12) There are 11 essential amino acids. a. TRUE b. FALSE 13) In single stranded nucleic acids, like RNA, complementary base pairing is not possible. a. TRUEb. FALSE 14) A plasmid is a small circular double-stranded DNA molecule. a. TRUE b. FALSE 15) The type of RNA that is never found outside the nucleus is: a. mRNA c. tRNA b. hnRNA d. rRNA

Answer 1

8) FALSE ( DNA & RNAS Sugaơ phosphate backbone dieHasx slighty) ) FALSE 10) FALSE ARNA f ono bond ath mRNA) t) TRUE 12) FALSE Cessartial amino acid) 13) FALSE C Tn RNA Complamotarny bare Paii ng 1H) TRUE 15) hnRNA