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SVEN [57.7K]
3 years ago
9

What is true about a strand of DNA?

Biology
2 answers:
Bas_tet [7]3 years ago
8 0
The correct answer is A, DNA contains many genes
bezimeni [28]3 years ago
5 0

A i think

i hope this helps

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Which microscope uses a series of lenses to magnify an object in steps? electron microscope simple microscope compound light mic
seropon [69]

<u>Answer:</u>

Compound light microsocope.

<u>Explanation:</u>

The compound light microscope utilises sets of lens to get bigger view of the object in steps. It is made up of more that two lens and has its own source of light.

So as to find out the amplification while reviewing  a picture with a compound light magnifying lens, take the intensity of the target focal point which is at 4x, 10x or 40x and increase it by the intensity of the eyepiece which is regularly 10x.

In this way, a 10x eyepiece utilized with a 40X target focal point, will create an amplification of 400X. The unaided eye would now be able to see the example at an amplification multiple times more noteworthy thus minuscule subtleties are uncovered.

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3 years ago
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Cellular respiration is the answer

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the answer is Hydrocarbons

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Which of the following describes characteristics of the Earth’s mantle?
Lapatulllka [165]

Box 3.

By the way I wondered what was the mantel made of and I wanted to share with you (to be informed).

Source: National Geographic

Hope it helps!

#MissionExam001

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6. When are secondary sources more useful than primary sources?
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Secondary sources are more useful than a primary source only when you are reporting, analyzing, discussing or interpreting a primary source.

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