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cestrela7 [59]
1 year ago
6

A simple unit of life surrounded by a membrane that contains macromolecules and molecules associated with each other is called a

:_________
Biology
1 answer:
Elina [12.6K]1 year ago
5 0

Cell is a simple unit of life surrounded by a membrane that contains macromolecules and molecules associated with each other.

<h3>What is cell?</h3>

The smallest unit that makes up all living organisms and the tissues of the body. A cell consists of three main parts i.e. the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and its function controls the substances that go inside of cell and out of the cell. A nucleus is the membrane that enclosed organelle within a cell which contains the genetic material. The cytoplasm is the gel-like fluid inside the cell that provides a medium for chemical reaction.

So we can conclude that Cell is a simple unit of life surrounded by a membrane that contains macromolecules and molecules associated with each other.

Learn more about macromolecules here: brainly.com/question/5246898

#SPJ1

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7 0
3 years ago
Limestone is a rock formed from calcite. Calcite can be easily dissolved by acids. Marble is a rock formed from limestone. There
Umnica [9.8K]

Answer:

All of these are correct

Explanation:

According to the question, marble is a rock formed from limestone, which in turn is also formed from Calcite. This shows that marble is a kind of metamorphic rock because a metamorphic rock is any rock that is formed by the alteration of other rocks caused by heat, pressure or chemicals etc. These changes that occurs in the previously existing rocks are called METAMORPHOSIS.

Hence, since marble is formed from limestone, it concludes that marble is a metamorphosed rock formed from a previously existing limestone rock. Also, since Calcite, a precursor of limestone that marble is formed from can be degraded by acids, both limestone and marble which are formed from it will also be dissolvable by acids.

8 0
3 years ago
Which of the following climate is best suited for physical weathering?
Mariana [72]

Dry climate.

Hope this helps!

-Payshence

5 0
3 years ago
Read 2 more answers
All of the following are sources of air pollution, EXCEPT
san4es73 [151]
B is the correct answer.
8 0
3 years ago
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39 Assume the ilghe wave directed at the paper is white light and the paper contains pigments that absorb the wavelerigens of
finlep [7]

Answer:

Black  

Explanation:

The paper absorbs light of all visible wavelengths.

No visible light is reflected.

The paper will appear black to human eyes.

3 0
3 years ago
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