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ludmilkaskok [199]
2 years ago
12

What is the difference between white and gray matter on the spinal cord

Biology
1 answer:
Galina-37 [17]2 years ago
5 0

Answer:

Grey matter contains numerous cell bodies and relatively few myelinated axons while white matter contains relatively few cell bodies and is composed of chiefly long-range myelinated axons.

Explanation:

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In some plants, phloem cells are connected end-to-end by sieve plates, creating a direct connection between the cytoplasm of phl
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Explanation:

This is because the sieve plate interconnected like that help in exchange of substances or transport of substances between element cell and it act as a barrier to prevent the sap from been loss when phloem is damaged or cut. The sieve plates form the sieve tube which is the conducting element of the phloem. It is formed from series of elongated cells that are interconnected by perforations in their walls.

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2 years ago
Which gas is the most abundant in Earth's atmosphere?
spayn [35]

Answer:

Nitrogen

Explanation:

nitrogen, which accounts for about 78% of the mass of dry

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1 year ago
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The high efficiency particulate arrestor (hepa) filter in a recirculating biological safety cabinet will capture chemical vapors
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High efficiency particulate arrestor is a type of air filter that can theoretically remove at least 99.97% of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 microns. The HEPA filter does not remove vapors or gases.

HEPA air purifiers have some level of activated carbon-based material to absorb odors and chemicals .HEPA filters claim to remove particles like dust, allergens and mold spores from the air. HEPA filters are made by haphazardly arranging the polypropylene or fiberglass fibers (between 0.5 and 2.0 µm). While sometimes the fibers are arranged in a mess, the fibers can pass air through and trap some of the particles.

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5 0
2 years ago
1. Which of the following events is not a source of genetic variation in eukaryotic organisms?
Lunna [17]

Answer:

Mitosis

Explanation:

Mitosis is not a source of genetic mutation because it take place mostly in the somatic cells. This is because it does not lead to the production of gametes . In mitosis, the parent cells divide into two daughter cells and each daughter cells are genetically identical to the parent cell because they carry the same number of chromosomes as the parent cell. There is no genetic variation in this.

5 0
3 years ago
A nurse is evaluating the client's understanding of post cataract surgery instructions. the client needs further education when
Ymorist [56]
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A post cataract surgery patient will be prone to an airborne allergen such as dust so it is not recommended to do any cleaning or be in a place with much dust. Vacuuming will increase the amount of the dust in the room and this might cause damage to the patient eye.</span>
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3 years ago
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