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igor_vitrenko [27]
3 years ago
6

Polarity of bonds and molecules is determined by the ______________ of the atoms involved.

Biology
2 answers:
melomori [17]3 years ago
7 0
Symmetry of the atoms
tiny-mole [99]3 years ago
7 0

Explanation:

Polarity is defined as the formation of opposite charges on the atoms of a compound due to the difference in their electronegativities.

For example, in a HCl molecule chlorine is more electronegative in nature as compared to the hydrogen atom.

Hence, chlorine will attract the valence electron of hydrogen atom more towards itself. Due to this a partial positive charge will develop on hydrogen atom and a partial negative charge will develop on the chlorine atom.

Thus, we can conclude that polarity of bonds and molecules is determined by the difference in electronegativity of the atoms involved.

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The concentration of solutes in a red blood cell is about 2%. Sucrose cannot pass through the membrane, but water and urea can.
Liula [17]

Answer:

D: a Hypertonic sucrose solution

Explanation:

Sucrose cannot pass through the membrane and Hypertonic solution's cause cells to shrink.

4 0
3 years ago
Why do we want to turn genes off or on?
Dmitrij [34]

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Explanation:

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The gene regulatory proteins allow the individual genes of an organism to be turned on or off . in different cell types there are different selections of gene regulatory proteins. The patterns of the gene expression gives each cell its unique characteristics.

Each cell produces or turns on only a fraction of its genes. the remaining genes are repressed or turned off. this process is known as gene regulation. The signals from the environment or from other cells activate proteins called transcription factors.

3 0
3 years ago
What does a S-shaped curve demonstrate for population growth?
11111nata11111 [884]

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7 0
3 years ago
What is the range for the following set of Measurements 27C, 12C, 31C, 19C, 23C, 11C, 17C
aliya0001 [1]
31c-11c=20c So, therefore, the range is 20c.
Hope this helps! :D
5 0
3 years ago
Read 2 more answers
Which of the following is not a way to prevent cancer?
svetlana [45]
Smoking has been statistically identified as a <em><u>causative</u></em> element in the development of cancers of the lung, tongue, esophagus, and stomach.
It's certainly not a <em>prevention</em> in any way. 
6 0
3 years ago
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