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TLS Online TPP Program

#Question id: 4968

Which of these observations fails to support the endosymbiotic theory for the origin of eukaryotic cells?

#SCPH28 | Zoology

  1. the existence of structural and molecular differences between the plasma membranes of prokaryotes and the internal membranes of mitochondria and chloroplasts

  2. the existence of size differences between the cytosolic ribosomes of eukaryotes and the ribosomes within mitochondria and chloroplasts

  3. the existence of size differences between some prokaryotic cells and mitochondria

  4. the existence of rRNA sequence differences between the cytosolic ribosomes of eukaryotes and the ribosomes within mitochondria and chloroplasts

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TLS Online TPP Program

#Question id: 551

#SCPH06 I Botany

Enzymes differ from other catalysts in that only enzymes:
TLS Online TPP Program

#Question id: 364

#SCPH05 I Biotechnology

 A solution contains 0.0000001 (10-7) moles of hydrogen ions [H+] per liter. Which of the following best describes this solution?
TLS Online TPP Program

#Question id: 27902

#Research Methodology

Research ethics committees are:
TLS Online TPP Program

#Question id: 23247

#SCPH01 Biochemistry

In pyrosequencing which molecule is actually detected?
TLS Online TPP Program

#Question id: 2603

#I Life Science/ Life Sciences Group – I-V

If no ribosome begins translation of the leader peptide AUG, the hairpin forms by pairing of sequences 1 and 2, preventing formation of the 2 –3 hairpin, and allowing formation of the hairpin at sequences 3 –4, the condition is