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TLS Online TPP Program

#Question id: 5301

Which of the following processes is an early step in the whole-genome shotgun approach to sequencing?

#SCPH06 I Botany

  1. break genomic DNA at random sites

  2. map the position of cloned DNA fragments

  3. randomly select DNA primers and hybridize these to random positions of chromosomes in preparation for sequencing

  4. break genomic DNA at specific sites

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TLS Online TPP Program

#Question id: 248

#SCPH12 I Genetics

The abbreviation pppT indicates
TLS Online TPP Program

#Question id: 249

#SCPH12 I Genetics

According to Chargaffʹs observations of nucleotide composition of DNA samples, which of the following options are correct
A) % of (G + C) + % of (A + T) = 100%.
B) A = T.
C) G = C.
D) %A + %C + %T = 100%.
TLS Online TPP Program

#Question id: 250

#SCPH12 I Genetics

 Much of the stability of the double-stranded DNA structure is the result of
TLS Online TPP Program

#Question id: 251

#SCPH12 I Genetics

The rise and pitch of B-DNA are 0.33 nm and 3.40 nm, respectively. About how many helical turns are there in a fragment 1 mm in length?
TLS Online TPP Program

#Question id: 252

#SCPH12 I Genetics

Regions of DNA that are most easily unwound have
TLS Online TPP Program

#Question id: 253

#SCPH12 I Genetics

Which is not true of the different conformations of DNA?