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shtirl [24]
2 years ago
8

A natural killer (NK) cell is a type of________ that has _____receptors extending from its plasma membrane.

Biology
1 answer:
marissa [1.9K]2 years ago
7 0

Answer: A natural killer cell (NK) is a type of lymphocyte that has an activating and inhibitory receptors extending from its plasma membrane

Explanation: A natural killer cell (Nk) is a type of lymphocyte (a white blood cell) that has an AC and inhibitory receptors. It plays a major role in host rejection of both tumours and virally infected cells. It contains specifical protein such as perforin and granules.

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Symbiosis is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be positive, negative, or neutral. There are three basic types of symbiosis: mutualism, commensalism, and parasitism! Hope this helps! you can simplify this answer!

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What is the primary difference between osmosis and diffusion
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Answer:

Hey mate....

Explanation:

This is ur answer.....

<em>In diffusion, particles move from an area of higher concentration to one of lower concentration until equilibrium is reached. In osmosis, a semipermeable membrane is present, so only the solvent molecules are free to move to equalize concentration.</em>

Hope it helps!

Brainliest pls!

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8 0
2 years ago
About 12 to 24 hours after the last meal, a person's blood sugar level normally varies from 60 to 90 mg per 100 ml of blood, alt
VMariaS [17]

Answer:

Homeostasis.

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The insulin and glucagon hormone are important for the maintenance of the blood sugar level in the body. The glucagon increase the blood sugar level whereas insulin decreases the blood sugar level.

The homeostasis may be defined as the process of the maintenance of the normal physiological conditions of the body irrespective of the change in the external and internal environment. The change in the blood sugar level can be maintained by the insulin and glucagon hormone and is important for the homeostasis maintenance.

Thus, the answer is homeostasis.

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