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TLS Online TPP Program

#Question id: 31166

Which of the following correctly explains the after-hyperpolarization?

#Unit 7. System Physiology – Animal
  1. rapid return of the Na+ channels to the closed state
  2. slow return of the Na+ channels to the closed state
  3. rapid return of the K+ channels to the closed state
  4. slow return of the K+ channels to the closed state 
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TLS Online TPP Program

#Question id: 5074

#Unit 5. Developmental Biology

The "mid-blastula transition" is the point in development when:
TLS Online TPP Program

#Question id: 5075

#Unit 5. Developmental Biology

Which of the following developmental processes has been most recently completed in the amphibian embryo shown here?

 
TLS Online TPP Program

#Question id: 5076

#Unit 5. Developmental Biology

Homeotic genes are responsible for:
TLS Online TPP Program

#Question id: 5077

#Unit 5. Developmental Biology

Humans and mice heterozygous for loss-of-function mutations in Pax6 have:
TLS Online TPP Program

#Question id: 5078

#Unit 5. Developmental Biology

A human blastomere is:
TLS Online TPP Program

#Question id: 5079

#Unit 5. Developmental Biology

The pattern of embryonic development in which only the cells lacking yolk subsequently undergo cleavage is called: