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Alborosie
3 years ago
6

How do planaria regenerate?

Biology
1 answer:
Kipish [7]3 years ago
4 0

Regeneration in planarians depends on the presence of stem cells called neoblasts. These cells are distributed throughout the body and, when part of the worm has been amputated, they are activated to reform the tissues that have been removed.

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What’s the difference between convergent boundaries and the subduction zone
Elina [12.6K]
<h2>QUESTION:</h2>

what’s the difference between convergent boundaries and the subduction zone

<h2>ANSWER: </h2>

If two tectonic plates collide more or less head-on they form a convergent plate boundary. Usually, one of the converging plates will move beneath the other, which is known as subduction.

<em>I </em><em>hope</em><em> it</em><em> will</em><em> help</em><em> you</em><em> have</em><em> a</em><em> great</em><em> day</em><em> bye</em>

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5 0
2 years ago
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The virus that causes chicken pox contains DNA. It reproduces inside the cells of living organisms. The virus is not made of cel
Alex777 [14]

Viruses lack the properties of living things:

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8 0
3 years ago
Which parts of the amino acids x and y are involved in the formation of a peptide bond?
NeTakaya

Answer:

Carboxyl group and amino group.

Explanation:

Amino acids have three parts which are the carboxyl group, amino group and the side chain. When forming a peptide bond, the carboxyl group of one amino acid forms bonds with the amino group of the other one to form the peptide bonds between them.

I hope this answer helps.

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3 years ago
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Is Solid waste point source pollution or non point source pollution?
Yanka [14]

Answer:

Nonpoint-source pollution is the opposite of point-source pollution, with pollutants released in a wide area. As an example, picture a city street during a thunderstorm. As rainwater flows over asphalt, it washes away drops of oil that leaked from car engines, particles of tire rubber, dog waste, and trash. The runoff goes into a storm sewer and ends up in a nearby river. Runoff is a major cause of nonpoint-source pollution. It is a big problem in cities because of all the hard surfaces, including streets and roofs. The amount of pollutants washed from a single city block might be small, but when you add up the miles and miles of pavement in a big city you get a big problem.

In rural areas, runoff can wash sediment from the roads in a logged-over forest tract. It can also carry acid from abandoned mines and flush pesticides and fertilizer from farm fields. All of this pollution is likely to wind up in streams, rivers, and lakes.

Airborne pollutants are major contributors to acid rain. It forms in the atmosphere when sulfur dioxide and nitrogen oxides combine with water. Because acid rain results from the long-range movement of those pollutants from many factories and power plants, it is considered nonpoint-source pollution.

Explanation:

5 0
3 years ago
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Charles washes his hands every time he passes either the bathroom or the kitchen sink. Before he goes to bed at night, he checks
FromTheMoon [43]

In reality this is way too little information to go on, and it would be irresponsible to make any assumptions about an individual based on what was provided here alone, but for the sake of merely answering a High School Bio question:

the answer is  A.  OCD.

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