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Readme [11.4K]
2 years ago
13

Explain why the cell membrane is described as selectively permeable

Biology
1 answer:
oee [108]2 years ago
8 0
Hello,
The Cell Membrane is described as selectively permeable because it allows only certain molecules or ions to pass through the membrane by active transport or passive transport.
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Unregulated and uncontrolled cell growth is the most common simple definition of cancer. Because of the many types of cancers and a huge range of possible symptoms, treatments are also very diverse. Type of treatment also depends on cancer stage at diagnosis, and the patient's overall health. Some forms of treatment:

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1 year ago
A student is given a small amount of unknown tan-colored liquid substance. This unknown liquid is placed into a glass of water a
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The fact that they do not dissolve shows that it is a lipid. This is further supported by the fact that the liquid remains collect to form a giant droplet. This occurs as oil/lipids are hydrophobic and thus tend to collect in clumps. 
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Ingestion of foreign substances by macrophages and yeast cells by an amoeba is known as
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Ingestion of foreign substances by macrophages and yeast cells by an amoeba is known as <u>Phagocytosis</u>

<u>Explanation:</u>

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Once a bacteria enters the body it is at once detected and recognised as the foreign particle. Then it is attached to the phagocyte. Then it is engulfed into a vesicle called phagosome. Then this is killed by the process of phagocytosis.

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How does light intensity affect oxygen production?
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A patient with a cancerous tumor may seek treatment for his condition from a physician whose specialty is . . A.geriatrics. B.ne
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The answer is D.) Oncology
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