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Nata [24]
2 years ago
5

Bulk movement of water across plasma membranes and the exchange of oxygen from blood into cells are similar in that the method o

f transport is by:
Biology
1 answer:
Sladkaya [172]2 years ago
5 0
<span>Bulk movement of water across plasma membranes and the exchange of oxygen from blood into cells are transported in the method of DIFFUSION. It is driven by concentration gradient or difference. Normally happens from higher concentration to lower concentration.</span>
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What is inferior to tibia​
Alborosie
Larger bone in “shin/calf” area
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After a copper smelter begins operation, local downwind populations of plants begin to adapt to the resulting air pollution. Sci
zlopas [31]

Answer:

Adaptation.

Explanation:

Adaptation occurs when the acid tolerance of several plant species has increased significantly in the polluted area. The main reason for this tolerance is the change in the genetic makeup or mutation occurs in the cell due to the exposure of DNA to the chemicals of the environment that cause pollution. The plant adopt the environment by producing certain chemicals that cancel the effects of pollutants and as a result, the plant survive.

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What two chemicals result when rhodopsin decomposes ?
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3 years ago
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victus00 [196]
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2 years ago
Read 2 more answers
_The endplate potential (EPP) at the frog neuromuscular junction occurs because ACh simultaneously increases the conductance of
Hoochie [10]

Complete question:

The endplate potential (EPP) at the frog neuromuscular junction occurs because ACh simultaneously increases the conductance of the postsynaptic membrane to Na and K

  • True
  • False

Answer:

TRUE

Explanation:

The Acetylcholine neurotransmitter is released from the presynaptic cell by the process of exocytosis.

Once the molecule is in the intercellular space, it moves forward the postsynaptic membrane to join its receptor in the motor plate.

Once the joining has occurred, the receptor acquires a channel shape allowing the ion transference that will make possible the modification of the action potential. Ions traffic will consist of the pass of sodium and calcium to the interior of the cell and potassium to the exterior. Quantitatively, the interchange Na-K is the most significant.

K+ follows a concentration gradient, while Na+ follows an electrochemical gradient. The interchange results in an increase of positive charges in the interior of the muscular cell.

Whenever there is a sufficient number of Acetylcholine receptors are active, the depolarization threshold of the motor endplate is exceeded. This activates an action potential that extends to the rest of the muscle membrane.

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2 years ago
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