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#Question id: 11008


Which of the following events is associated with the first heart sound?

#7. System Physiology – Animal
  1. Closing of the aortic valve
  2. Inrushing of blood into the ventricles during diastole
  3. Opening of the A-V valves
  4. Closing of the A-V valves

Answer:- Option(s): 4


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#3. Fundamental Processes

The nuclear-receptor superfamily consists of several proteins that bind to consensus sequences of DNA response elements. Which of the following is NOT considered a member of this superfamily?

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#7. System Physiology – Animal

Different body cells can respond differently to the same polypeptide hormones because ________.

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#Question id: 4804

#8. Inheritance Biology

Formation of the following pattern in an ordered octad is due to what event during meiosis? Pattern: AAaaaaaAA

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#Question id: 3639

#3. Fundamental Processes

Replication of a bacterial chromosome normally starts at a fixed point called:

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#Question id: 1391

#4. Cell Communication and Cell Signaling

If an adult person has a faulty version of the human analog to ced-4 of the nematode, which of the following is most likely to result?

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