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Rom4ik [11]
3 years ago
6

What makes a water molecule polar? *

Biology
1 answer:
Vlad [161]3 years ago
6 0

Answer:

it has partial charges

The hydrogen gives a positive partial charge

The oxygen gives a negative partial charge

Oxygen is way more electronegative than hydrogen therefore the molecule will be polar.

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Several biology students are counting kernels in an ear of corn. They count a
Yanka [14]

Answer:

9:3:3:1

Explanation:

There are 420 kernels, over half of these are purple wrinkled (242/420=0.576) one fifth are purple smooth (84/420=0.2), just under one fifth are yellow wrinkled (70/420=0.167), and just over one twentieth are yellow smooth (24/420 = 0.057).

The ratio is 0.567: 0.2: 0.167: 0.057

0.567/0.057 = 9.9, so the ratio of purple wrinkled to yellow smooth is around 9:1.

0.567/0.2 = 2.835 and 0.567/0.167 = 3.39, so the ratio of purple wrinkled to purple smooth and yellow wrinkled is approx 3:1

0.2/0.057 = 3.5 and 0.167/0.057 = 2.92, so the ratio of purple smooth and yellow wrinkled to yellow smooth is approx 3:1

Therefore, the ratio is approximately 9:3:3:1.

This is a classic Mendelian ratio for a independent assortment associated with a dihybrid cross.

7 0
3 years ago
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Besides reducing biodiversity what are the characteristics of an ecosystem that might change if the conditions of the ecosystem
Fed [463]

Answer:

side

Explanation:

size id the correct answer was no longer have the money for r we going out

5 0
3 years ago
Plz help me outttttt
scoundrel [369]

B) The mutation is beneficial and allows those who have it to reproduce more than average.


If the mutation is beneficial, it will become common in a population since the individual(s) that have this beneficial mutation will survive longer to produce more offspring that have this mutation. These offspring will also live longer and spread this mutation through the gene pool through reproduction.


Hope this helps :)

3 0
3 years ago
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Why are all the different parts of the cell necessary
vesna_86 [32]
Each one performs a specialized task for the cell. If they were without even one, the cell would die.
8 0
3 years ago
Nurse darla is planning care for ms. goodwin, who has a prolapsed cord
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The priority action for Darla to take is to apply pressure through the vaginal canal on the presenting parts. In which by these technique applying pressure over the vaginal canal on the presenting parts will help relieve pressure on the umbilical cord. In addition, umbilical cord prolapse happens when the umbilical cord moves toward out of the uterus with or before the offering part of the fetus. It is a comparatively infrequent circumstance and happens in less than 1% of the prenatal period.
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3 years ago
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