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?

TLS Online TPP Program

#Question id: 3875

#Unit 3. Fundamental Processes

Splicing of introns in nuclear mRNA primary transcripts requires:

TLS Online TPP Program

#Question id: 3876

#Unit 3. Fundamental Processes

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

TLS Online TPP Program

#Question id: 3877

#Unit 3. Fundamental Processes

Differential RNA processing may result in:

TLS Online TPP Program

#Question id: 3878

#Unit 3. Fundamental Processes

Which of the following statements about the synthesis of rRNA and tRNA in E. coli is true?

TLS Online TPP Program

#Question id: 3879

#Unit 3. Fundamental Processes

Which of the following is not usually essential for the catalytic activity of ribozymes?

TLS Online TPP Program

#Question id: 3880

#Unit 3. Fundamental Processes

Which one of the following properties of the L-19 IVS ribozyme is not shared with enzymes that are purely protein?