First invertebrates insects fossil appeared in which of the following geological ages?

a) Mesozoic b) Jurassic

c) Paleozoic d) Devonian

e) Permian f) Pennsylvanian

Which of the following combinations give the best answer?

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#Question id: 12751

#SCPH01 Biochemistry

A DNA sample has a 260/280 ratio of 2. Which of the following treatments can be used to get a better purity of DNA sample?

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#Question id: 15536

#SCPH05 I Biotechnology

Which of the following is incorrect regarding the progressive alignment method?

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#Question id: 1554

#SCPH28 | Zoology

Which domain of MHC-1 is interact with CD8 cell surface molecule found on TC cells.

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#Question id: 2611

#SCPH01 Biochemistry

Indicator of cell growth,

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#Question id: 2101

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

The enzyme in cholesterol biosynthesis subject to feedback inhibition is