The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.

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#Question id: 4985

#SCPH28 | Zoology

The loss of ventral spines by modern freshwater sticklebacks is due to natural selection operating on the phenotypic affects of Pitx1 gene

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#Question id: 5012

#SCPH06 I Botany

A	Silurian	I	Seed plants appear
B	Devonian	II	Gymnosperms dominant
C	Carboniferous	III	Invasion of land by primitive land plants
D	Jurassic	IV	first reptiles

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#Question id: 5012

#SCPH28 | Zoology

A	Silurian	I	Seed plants appear
B	Devonian	II	Gymnosperms dominant
C	Carboniferous	III	Invasion of land by primitive land plants
D	Jurassic	IV	first reptiles

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#Question id: 5013

#SCPH06 I Botany

Following is correct match

Periods	Age of evolutionary event
A- Jurassic	I- Fish
B- Ordovician	II- Amphibian
C- Devonian	III- Gymnosperm
D-Carbonyferous	IV- Invertebrates

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#Question id: 5013

#SCPH28 | Zoology

Following is correct match

Periods	Age of evolutionary event
A- Jurassic	I- Fish
B- Ordovician	II- Amphibian
C- Devonian	III- Gymnosperm
D-Carbonyferous	IV- Invertebrates

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#Question id: 5014

#SCPH06 I Botany

 Following geological time period and major evolutionary event?

I. Devonian                            A. Gymnosperms dominant

II. Jurassic                               B. Amphibians diversify; first reptiles

III. Carboniferous                  C. Mammals appear

IV. Triassic                           D. Seed plants appear