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#Question id: 19705


Which of the following normally has a slowly depolarizing “prepotential”?

#13. Methods in Biology
  1. Sinoatrial node
  2. Atrial muscle cells
  3. Bundle of His
  4. Purkinje fibers

Answer:- Option(s): 1


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#Question id: 15734

#12. Applied Biology

In seed germination or seed culture process growth regulators are usually not necessary because, of

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#Question id: 9585

#6. System Physiology – Plant

In light reaction the reaction centre of PSII  receives electron from water molecules by splitting into oxygen, If 5 oxygen molecules evolved per 50 quanta was

absorbed then what is the quantum yield?

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#Question id: 6943

#5. Developmental Biology

The portion of the blastoderm-stage embryo which will give rise to most ectodermal, mesodermal, and endodermal tissues is called the:

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#Question id: 5741

#8. Inheritance Biology

In a mammal 2 Barr bodies are observed.  How many X chromosomes does the organism have?

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#Question id: 1567

#4. Cell Communication and Cell Signaling

Which of the following cell types are responsible for initiating a secondary immune response?

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