Practice Questions

TLS Online TPP Program

#Question id: 7247

Which statement correctly characterizes regeneration in the mammalian nervous system?

#Unit 5. Developmental Biology

In some instances, peripheral nerves can regenerate an axon if cut, such as when motor neurons regenerate axons to make correct connections with muscles
Killed cells of the peripheral nervous system can be regenerated and will extend axons to restore connectivity with targets
Cells of the brain can regenerate if damaged, but the peripheral nervous system is incapable of regeneration
Fully functional regeneration in the mammalian nervous system has been shown to be possible when adult stem cell transplants are used

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TLS Online TPP Program

#Question id: 20970

#Unit 12. Applied Biology

Which protein has been produced generating a transgenic sheep that is used for replacement therapy for individuals at risk from emphysema?

TLS Online TPP Program

#Question id: 28208

#Unit 5. Developmental Biology

which of the following factor is a diffusible biochemical molecule that can determine the fate of a cell by its concentration?

TLS Online TPP Program

#Question id: 15858

#Unit 12. Applied Biology

The term totipotency refers to the capacity of a

TLS Online TPP Program

#Question id: 26928

#Unit 10. Ecological Principles

Hutchinsonian niche is proposed by G. Evelyn Hutchinson, that basically based on

TLS Online TPP Program

#Question id: 454

#Unit 1. Molecules and their Interaction Relevant to Biology

Which statement is false about most metabolic pathways?