<span>Surfactant, which is a mixture of fatty lipids and proteins are secreted by alveolar type II cells that line the perimeter of the inside of our empty alveolar space and aids in the movement of air and liquids that go in and out of the lungs. These cells may line other vital organs to protect it against outside wear and tear and keep the tissue inside our bodies intact making bodily functions working more smoothly.</span>
Answer:
the answer is B
B.The lysosome digests old cell parts
Explanation:
B is the right answer
Answer:
The options are
a.cooling of the power plant
b.mining of uranium
c.storage of radioactive waste
d.monitoring the reactor
The answer is b.mining of uranium
Explanation:
Uranium is known as a radioactive element which is used as a fuel to power a nuclear energy plant. Mining of uranium could cause it to mix with air and water which results in contamination.
When contamination occurs and it gets into the body of humans or animals by inhalation or ingestion it poses a high risk of cancer and kidney damage.
An aphotic zone is a zone where light can be received from the sun (or other sources of light).
For example in the ocean, it will be the zone that begins a 200m deep and goes to the bottom of the sea.
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Asn-Gly-Tyr is the following chain of amino acids