40. Which of the following descriptions is(are) false?  1. The difference between a ribonucieotide and a deoxyribonucleotide is that aribonucleotide has an --OH instead of an -H at C-2.  2. The DNA copies of mRNA found in a cDNA libtary are made by reversetranscriptase.  3. Type II restriction enzymes cleave DNA only at recognition sequences specificto a given restriction enzyme 4. Deamination of the nucleotide base 5-methylcytosine yields nucleotide basethymine. 5. Type II restriction enzymes may make staggered (off-center) cuts within theirrecognition scquences.
(A) 5 only
(B) 3 only
(C) 4 only
(D) 1 and 2
(E) Nonc of the descriptions are false.