Practice Questions

TLS Online TPP Program

#Question id: 4968

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

#Unit 11. Evolution and Behavior

the existence of structural and molecular differences between the plasma membranes of prokaryotes and the internal membranes of mitochondria and chloroplasts
the existence of size differences between the cytosolic ribosomes of eukaryotes and the ribosomes within mitochondria and chloroplasts
the existence of size differences between some prokaryotic cells and mitochondria
the existence of rRNA sequence differences between the cytosolic ribosomes of eukaryotes and the ribosomes within mitochondria and chloroplasts

More Questions

#Question id: 5779

#Unit 8. Inheritance Biology

Changing the codon AGC to AGA represents a ____ mutation.

#Question id: 11760

#Unit 9. Diversity of Life Forms

Which of the following produce the dense glassy ooze found in certain areas of the deep-ocean floor?

#Question id: 5525

#Unit 5. Developmental Biology

"ontogeny recapitulates phylogeny" means

#Question id: 4254

#Unit 3. Fundamental Processes

Which of the following statements is the most current description of a gene?

#Question id: 19712

#Unit 3. Fundamental Processes