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3 years ago

Why was the microscope and its improvement an important part of the development of the cell theory?

Physics

2 answers:

netineya [11]3 years ago

8 0

Answer:it’s is part of the cell theory because they where studying cells and to see it you need a microscope

Explanation:basically in the answer area

garri49 [273]3 years ago

8 0

It helps scientists get a closer look at cells. The improvements help thing become clearer which gives a better explanation of the cells to the scientists to help expand the knowledge of the cell theory.

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Assume an axon has an internal diameter of 1μm and a myelin sheath 1μm thick. The internal specific resistance is 100 Ω cm. For

SpyIntel [72]

Answer:

$1.27\times 10^{12}\Omega/m$

Explanation:

We are given that

Diameter=d= $\mu m$

Thickness= $1\mu m$

Radius= $r=\frac{d}{2}=\frac{1}{2}\mu m=0.5\times 10^{-6} m$

Using $1\mu m=10^{-6} m$

Dielectric constant=8

Resistance = $R=2\times 10^5\Omega cm^2$

Internal specific resistance=r=100 ohm cm= $100\times \frac{1}{100}\Omega-m=1\Omega m$

Using 1 m=100 cm

Internal resistance per unit length= $\frac{r}{A}=\frac{1}{\pi r^2}=\frac{1}{3.14\times (0.5\times 10^{-6})^2}=1.27\times 10^{12}\Omega/m$

Using $\pi=3.14$

Internal resistance per unit length= $1.27\times 10^{12}\Omega/m$

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3 years ago

During which stage of the cell cycle does the cell condense chromosomes and break down the nuclear envelope? Group of answer cho

Natalka [10]

Answer:

Prophase

Explanation:

During the Prophase

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Answer:

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Which of the following is true about teeth in mammals? a. Only large mammals have teeth. b. All teeth in mammals look the same a

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Is it accurate to describe the physical universe as composed of only matter and energy?

Dennis_Churaev [7]

Yes, it is <span>accurate to describe the physical universe as composed of only matter and energy. Some people might argue about the dark matter, but it is not yet defined properly. Different universes can be made up of different compositions but it is a fact that our universe is made of matter and energy. </span>

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3 years ago

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