Practice Questions

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#Question id: 8897

Which of the following statements would be least acceptable to most zoologists?

#SCPH06 I Botany

The extant cephalochordates (lancelets) are contemporaries, not ancestors, of vertebrates.
The first fossils resembling cephalochordates appeared in the fossil record around 550 million years ago.
Recent work in molecular systematics supports the hypothesis that cephalochordates are the most recent common ancestor of all vertebrates.
The extant cephalochordates are the immediate ancestors of the fishes.

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#Question id: 3875

#SCPH05 I Biotechnology

Splicing of introns in nuclear mRNA primary transcripts requires:

TLS Online TPP Program

#Question id: 3875

#SCPH06 I Botany

Splicing of introns in nuclear mRNA primary transcripts requires:

TLS Online TPP Program

#Question id: 3875

#SCPH28 | Zoology

Splicing of introns in nuclear mRNA primary transcripts requires:

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#Question id: 3876

#SCPH01 Biochemistry

Which one of the following is not true of the mRNA for ovalbumin?

TLS Online TPP Program

#Question id: 3876

#SCPH05 I Biotechnology

Which one of the following is not true of the mRNA for ovalbumin?

TLS Online TPP Program

#Question id: 3876

#SCPH06 I Botany

Which one of the following is not true of the mRNA for ovalbumin?