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nexus9112 [7]
3 years ago
7

Compare and contrast a cell membrane and cell wall?

Biology
1 answer:
Jlenok [28]3 years ago
6 0
A cell membrane is not rigid like the cell wall. The cell wall gives structure and shape to the cells. Cell wall are only found in plants. They both keep their organelles inside the cell
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Explain how thermohaline circulation is influenced by salinity and temperature.
marshall27 [118]

Answer:

Thermohaline circulation is influenced by changes in density gradients. These density gradients are affected by the salinity and temperature of the ocean’s water. Cold water is denser than warm water and salt water is denser than freshwater. As water cools off, it sinks. As water evaporates, the salt concentration of the remaining water increases because the salt from the evaporated water remains. This causes the water to sink and circulate.

Explanation:

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2 years ago
There are so many microbes in a single mL of culture, it is very difficult to perform one dilution to produce countable cells. M
Feliz [49]

Answer:

cumulative dilution = 0.000001

Explanation:

A serial dilution is a stepwise kind of dilution repeated a certain number of times, in which the concentration reduces exponentially each time.

The cumulative dilution is the final dilution gotten depending on the number of times dilution has been done and the dilution factor. The formula is given as:

Cumulative dilution = (F)ⁿ

where:

F = dilution factor = 0.1

n = number of serial dilutions = 6

∴ cumulative dilution = (0.1)⁶ = 0.000001

4 0
2 years ago
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Oliga [24]
Yo that’s dark. Like dark.
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2 years ago
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Diano4ka-milaya [45]

Explanation:

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A: no  

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3 0
3 years ago
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