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Alborosie
4 years ago
9

18. How do antibiotics work?

Biology
1 answer:
Anna [14]4 years ago
6 0
Antibiotics are used to treat infections caused by bacteria. Bacteria are microscopic organisms, some which may cause illness.
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Why are habitats that are more diverse and have a higher diversity index more stable?
garik1379 [7]
<span>Known as biodiversity, the more diverse a habitat and its population, the better the community production and resistance to danger or change.</span>
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3 years ago
Could genetics change the shape of a plant?
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It all be ends on what kind of plants you have.
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3 years ago
Which roles does pressure play during a volcanic eruption? Check all that apply.
borishaifa [10]

Pressure decreases as magma rises.

Pressure increases until the volcano explodes.  

Explanation:

The reason behind volcanic eruption is extreme weather, tectonic plates, climate change and magma movement. Under beneath of earths crust there are molten rock which is formed because of high temperature at core and they are melted and form a magma.

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5 0
3 years ago
The second order of chromatin packing occurs when nucleosomes coil together to form a fiber that is 300 nm in diameter. True Fal
Nina [5.8K]

Answer:

The given statement is False.

Explanation:

During the prophase stage of mitotis, the chromatin starts becoming more condense. Histone protein is a basic protein which is responsible for initial and basic packaging of chromatin into nucleosome.  

The second level of chromatin packaging occurs when the nucleosomes are arranged in the fiber which has a diameter of about 30nm. Each nucleosome is attached with H1 histone and nucleosome fiber coil to form a solenoid structure which has a diameter of 30nm. Therefore the statement is false.

5 0
3 years ago
Why are scientists unable to find nucleotides in water?
Liono4ka [1.6K]

Answer

          Scientists are unable to find nucleotide in water because of the following factors:

Reason 1.

         Water is polar molecule while nucleotide is an organic molecule and is not soluble in water.

Reason 2

       Nucleotide is the main component of nucleic acid, while water is composed of hydrogen and oxygen.

Reason 3

        The nature of bond n both molecule is different.

thats why scientists are unable to find nucleotide in water.


4 0
4 years ago
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