In a particular case of secondary succession, three species of wild grass all invaded a field. By the second season, a  single species dominated the field. A possible factor in this secondary succession was

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#Question id: 23247

#SCPH01 Biochemistry

In pyrosequencing which molecule is actually detected?

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#Question id: 15236

#SCPH01 Biochemistry

Polyacrylamide gels are formed from the polymerisation of acrylamide monomer in the presence of

A) Agarose

B) TEMED

C) APS

D) bis-acrylamide

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#Question id: 102

#SCPH01 Biochemistry

 The structure of a disaccharide is shown below. Which statement is correct about following structure?

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#Question id: 262

#SCPH12 I Genetics

Changes in the topology and three-dimensional shape of B-DNA can result from

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#Question id: 5017

#SCPH28 | Zoology

Arrange these events from earliest to most recent.

1.  emission of lava in what is now Siberia at time of Permian extinctions

2.  emission of lava that solidified at the same time as iron-bearing terrestrial rocks began to rust

3.  emission of lava that solidified at the same time as rusted iron precipitated from seawater

4.  emission of lava in what is now India at time of Cretaceous extinctions