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Anastaziya [24]
2 years ago
10

Which cell stucture is responsible for the passage of material into and out the cell

Biology
1 answer:
saveliy_v [14]2 years ago
7 0
Hrjdusheuejebeuebwie
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Which statement is true of prokaryotes but not eukaryotes
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3 years ago
Which type of blood vessel usually carries oxygen-rich blood
zalisa [80]

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Arteries

Explanation:

There are three main types of blood vessels: veins, arteries, and capillaries. Arteries are the blood vessels that carry the oxygenated blood from the heart to various body parts. Veins pick the deoxygenated blood and deliver it to the heart to be oxygenated.  

Arteries are the blood vessels with thick walls and no valves. Blood is pumped with higher pressure from the heart into arteries. The pulmonary artery is the only exception that carries deoxygenated blood from the right ventricle to the lungs for oxygenation.  

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3 years ago
Is the correct order in a homeostatic feedback system stimulus, receoptor, control centre, effector?
Fantom [35]

Answer:

Correct

Explanation:

Homeostatic is nothing but ability of a system or living organism to manipulate its internal environment to maintain a stable equilibrium, for example the ability of warm-blooded animals to ascertain a constant body temperature.

The Homoeostatic feedback mechanism has three basis components and they are independent to one another.

These components are receptor, effector and integrating center. The function of receptor is to sense external stimuli and send information to integrating center. The integrating center generally hypothalmus in brain sends this signal to effector for example an organ to react to the stimuli.

So, the order  in a homeostatic feedback system stimulus, receoptor, control centre, effector is correct.

7 0
3 years ago
If a container of solution contains 15% of salt, what percentage of water does it contain?
riadik2000 [5.3K]
Assuming it's only salt water, it should be 85%
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What sort of farming defined the first type of agriculture?
andriy [413]

Answer:

Agriculture and domestication probably started in the Fertile Crescent (the Nile Valley, The Levant and Mesopotamia). ... People probably started agriculture slowly by planting a few crops, but still gathered many foods from the wild. People may have started farming because the weather and soil began to change.

Explanation:

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