TLS Online TPP Program

#Question id: 13084


Statement: In a modified version of AFLP, the selection of fragments using biotin-streptavidin binding is avoided.
Explanations: I. The fragments are ligated to the appropriate adapters and used for PCR amplification using two AFLP primers, each primer having a single selection nucleotide; this is called preamplification step.
II. The PCR products from this preamplificated step are diluted and used as template for second PCR amplification.

#SCPH05 I Biotechnology
  1. II is true, but not correct explanation of given statement.
  2. I and II both are true but not correct explanations of given statement.
  3. I is true and correct explanation of given statement.
  4. I and II both are true and correct explanations of given statement.
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TLS Online TPP Program

#Question id: 11591

#I Life Science/ Life Sciences Group – I-V

Gibberellins biosynthesis completes in almost three organelles

TLS Online TPP Program

#Question id: 11591

#SCPH06 I Botany

Gibberellins biosynthesis completes in almost three organelles

TLS Online TPP Program

#Question id: 11592

#I Life Science/ Life Sciences Group – I-V

Gibberellin biosynthesis precursor is____

TLS Online TPP Program

#Question id: 11592

#SCPH06 I Botany

Gibberellin biosynthesis precursor is____

TLS Online TPP Program

#Question id: 11593

#I Life Science/ Life Sciences Group – I-V

Following are given stages of gibberellin biosynthetic pathway;

a) Geranylgeranyl diphosphate (GGPP) is converted to ent-kaurene  via copalyl diphosphate (CPP) in endoplasmic reticulum

b) In the endoplasmic reticulum, conversion of ent-kaurene into GA12 or GA53 depending on whether the GA is hydroxylated at carbon 13

c) the conversion of GA12 or GA53 into other GAs in cytosol proceeds with a series of oxidations at carbon 20

d) GA20 is then oxidized to the active gibberellin, GA1, by a 3β-hydroxylation reaction

Which of the following is the correct statements of GA biosynthesis?

TLS Online TPP Program

#Question id: 11593

#SCPH06 I Botany

Following are given stages of gibberellin biosynthetic pathway;

a) Geranylgeranyl diphosphate (GGPP) is converted to ent-kaurene  via copalyl diphosphate (CPP) in endoplasmic reticulum

b) In the endoplasmic reticulum, conversion of ent-kaurene into GA12 or GA53 depending on whether the GA is hydroxylated at carbon 13

c) the conversion of GA12 or GA53 into other GAs in cytosol proceeds with a series of oxidations at carbon 20

d) GA20 is then oxidized to the active gibberellin, GA1, by a 3β-hydroxylation reaction

Which of the following is the correct statements of GA biosynthesis?