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Mariulka [41]
2 years ago
9

How can having 100 trillion microorganisms on and in the human body be healthy?

Biology
1 answer:
deff fn [24]2 years ago
5 0

Answer:

Explanation:

Immune response Evidence points to the fact that this early microbial colonization helps our body to defend itself against disease.

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Like DNA, RNA contains four nitrogenous bases. Three of them are the same as those found in DNA. The one that is different is ca
densk [106]
The nitrogenous bases in DNA are adenine, guanine, thymine, and cytosine.
The nitrogenous bases in RNA are adenine, guanine, uracil, and cytosine.
So the base in RNA that is different than in DNA is uracil.

Hope this helps.
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3 years ago
OMG PLEASE HELP!!!!! TEST SOON!!! Explain how to focus a microscope using the high-power lens. Include any safety issues you nee
BabaBlast [244]
1)magnification goes by 10x (read 10 times), 100x,1000x and some goes 10,000x 

2)Always focus first using lowest power possible first, switch to medium power (100x) after it's focused on low power(10x), on 100x, use the small knob to focus it more. DO NOT touch the bigger nob when in medium or high power. Switch to high power (100x) when it is focused on medium power, again focus again using the small knob on high power. 

3) So it doesn't gather dust and fog up the lense? that one should be self explanatory
5 0
3 years ago
The movement of particles from an area of high<br> concentration to an area of low concentration
Montano1993 [528]

Answer:

Passive Transport

Explanation:

The movement of molecules from an area of High concentration to an area of lower concentration in a living cell is called Passive Transport.

Passive Transport does not require energy input.

An example is Diffusion.

5 0
2 years ago
What carries cell waste to the kidneys
nignag [31]

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The urinary system

Explanation:

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3 years ago
Which organism in the food web below is found in the first trophies level of the ecosystem
pshichka [43]

I am going to assume you meant the "first trophic level" of the ecosystem. The first tropic level of an ecosystem is made up of producers, so the answer is C, Acorns.

3 0
3 years ago
Read 2 more answers
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