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cricket20 [7]
3 years ago
8

What does the surface area represent in a cell

Biology
2 answers:
Tresset [83]3 years ago
7 0
The size of its membrane and the cell's ability to transport materials.
Hope this helps!
finlep [7]3 years ago
4 0
The surface area is used to get substances in or out through the cell's membrane.
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The oldest true fossils are trace fossils called Stromatolites found in Australia, and dated between 3.5 to 3.3 billion years old.

Raphael Baumgartner and their team have finally uncovered evidence of organic matter in the ancient rock formations known as stromatolites found at the Dresser Formation fossil site in the Pilbara region of Western Australia. They detail their findings in a new article published in the journal Geology.

With a variety of methods, including scanning electron microscopy, scanning transmission electron microscopy, energy dispersive X-ray spectroscopy, Raman spectroscopy, nano-scale secondary ion mass spectrometry, and stable carbon isotope analysis, the researchers examined the samples in thin slices.

According to the team's analyses, pyrite, a mineral with many tiny pores, makes up the majority of the stromatolites. Additionally, the pyrite contains nitrogen-bearing organic material and strands and filaments of organic material that closely resemble the remains of microbial biofilm colonies.

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7 0
2 years ago
Someone pls help me!
dexar [7]

Answer:

Cell membranes are semi-permeable, which works like a sieve that determines what enters and leaves the cells.

Explanation:

It is semi-permeable and it allows molecules to diffuse inside.

<em>Feel free to mark it as brainliest :P</em>

4 0
2 years ago
HELP ME I AM BEGGING YOU! 7th grade science.
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E.

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Im sorry if it's wrong but that's what I would go with

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Is a benign tumor considered to be cancer?
Taya2010 [7]

Answer:

no. (more info below)

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3 0
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With ideal environmental factors, the reproduction rate of bacteria is...
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With ideal environmental factors, bacteria are able to reproduce at a very rapid pace.

<h3>Bacterial reproduction</h3>

Bacteria reproduce mainly by a single cell dividing into two, given the right condition. In order words, they reproduced by binary fission.

When environmental conditions are optimum, a typical bacterial cell can divide every 4 to 20 minutes depending on the species.

The time can become longer with sub-optimal environmental conditions.

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