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Arte-miy333 [17]
3 years ago
6

What processes allows cells to concentrate material that is present only in very small amounts in the extracellular fluid?

Biology
1 answer:
AleksandrR [38]3 years ago
6 0

Answer:

receptor-mediated endocytosis

Explanation:

  • A selective mechanism that is responsible for endocytosis and transcytosis of the small amounts of materials that are present in the extracellular fluid is known as receptor-mediated endocytosis.
  • The various molecules that can be taken up by this process include hormones, metabolites, proteins as well as certain viruses.
  • This process is also known as clathrin-mediated endocytosis.
  • In this process, the receptors that are present on the surface of the proteins are captured by a molecule which is the target site for the protein and internalized by membrane internalization (endocytosis).
  • The vesicle formed by endocytosis is a clathrin coated vesicle.
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Measuring the diameter of a circle using a ruler requires the knowledge of what the diameter of a circle is.

The diameter of a circle is simply the radius of the circle multiplied by 2. In other words, one can simply measure the radius of a circle and multiply it by 2 in order to get the diameter of the circle.

The radius of a circle in itself is the distance between the center of the circle and to any endpoint of the circle.

Hence, in order to measure the diameter of the circles in question, just measure the radius of each circle using a ruler, multiply it by 2 and record your measurements.

If you had used the cm reading on the ruler to record your measurements, each diameter in cm can be converted to mm as follows:

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Assuming that a particular diameter reads 10 cm:

10 cm = 10 x 10 mm

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In other words, just multiply your measurement by 10 in order to convert them to mm.

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Thomson proposes a new model of the atom?
Leni [432]

We have that "J.J. Thomson proposes a new model of the atom" statement refers to the  Plum Pudding model by the scientist J.J. Thomson.

From the question we are told

Thomson proposes a new model of the atom?

Generally

  • J.J. Thomson was a scientist that dedicated his lives work to studding atoms and its particles
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Therefore

"J.J. Thomson proposes a new model of the atom" statement refers to the

Plum Pudding model by the scientist J.J. Thomson.

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