TLS Online TPP Program

#Question id: 3863


Introns in nuclear pre-mRNAs are excised by:

#SCPH01 Biochemistry
  1. spliceosomes

  2. splicing nucleases

  3. ligases

  4. autocatalytic reactions

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TLS Online TPP Program

#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

TLS Online TPP Program

#Question id: 5014

#SCPH28 | Zoology

 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

TLS Online TPP Program

#Question id: 5015

#SCPH06 I Botany

 During which of the following largest mass extinction recorded in the history of life on Earth.

TLS Online TPP Program

#Question id: 5015

#SCPH28 | Zoology

 During which of the following largest mass extinction recorded in the history of life on Earth.

TLS Online TPP Program

#Question id: 5016

#SCPH06 I Botany

Approximately how far back in time does the fossil record extend?

TLS Online TPP Program

#Question id: 5016

#SCPH28 | Zoology

Approximately how far back in time does the fossil record extend?