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

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#Question id: 12391

#6. System Physiology – Plant

Which of the following processed are involve in cell enlargement in plant?

a) Osmotic uptake of water across the plasma membrane is driven by the gradient in water potential (∆Yw)

b) Turgor pressure builds up because of the rigidity of the cell wall

c) Biochemical wall loosening occurs, allowing the cell to expand in response to turgor pressure

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#Question id: 12392

#6. System Physiology – Plant

 According to the acid growth hypothesis, the source of the hydrogen ions is the plasma membrane H+-ATPase, whose activity is thought to increase in response to

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#Question id: 12393

#6. System Physiology – Plant

According to the widely accepted acid growth hypothesis, allows some main predictions except;

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#Question id: 12396

#6. System Physiology – Plant

Which compound  are included in the buffer washout solution, that involved in prevent normal relocalization of PIN to the plasma membrane ?

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#Question id: 12401

#6. System Physiology – Plant

IAA enters the cell either passively in the undissociated form (IAAH) or by transporter in the anionic form (IAA-) , which one of the following  transporter are involved in influx of the anionic form of auxin?

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#Question id: 12402

#6. System Physiology – Plant

According to the Cholodny–Went model of phototropism, the tips of grass coleoptiles have specialized functions such as

a) Production of auxin

b) Perception of a unilateral light stimulus

c) Lateral transport of IAA in response to the phototropic stimulus

Which of the following given above functions is correct?