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salantis [7]
3 years ago
15

What type of effects do prostaglandins produce on smooth muscles? List two examples.

Chemistry
1 answer:
Naya [18.7K]3 years ago
3 0

First, they may produce direct and relatively short-lived effects, such as stimulation of the isolated uterus or relaxation of the isolated tracheal chain preparation.

Secondly, in doses too low to produce a direct effect, they may produce a long-term potentiation of the effects of other stimulants.

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3 years ago
5.5x10² – 6.50x10'<br> Express the calculation in correct significant digits
OLga [1]

Answer:

6.15x10^2

Explanation:

Hello!

In this case, when performing mathematical operations with numbers in scientific notation, the first step is to write them in standard notation:

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615.0

However, since 550 is significant to the ones and 65.0 to the tenths, we need to round the result to the bigger significance, in this case to the ones; therefore the appropriate result would be:

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<span>X: Geothermal energy
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True or False, same substances have the same properties?
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Answer:

True

Explanation:

Pure substances are made of the same material throughout and have the same properties throughout.

8 0
4 years ago
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