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drek231 [11]
3 years ago
5

Why does water roll off the surface of a leaf? A. Because water is attracted to nonpolar molecules B. Because water is a nonpola

r molecule C. Because plants do not contain cellulose D. Because the leaf is coated in lipid molecules
Biology
2 answers:
ElenaW [278]3 years ago
3 0

D.) Because the leaf is coated in lipid molecules

A is wrong because water is polar, an example of nonpolar is oil, and everyone knows that oil and water do <em>not</em> mix! Their molecules just aren't attracted to each other.

B is wrong because, like I said, water is polar.

C is wrong because cellulose is one of the most abundant organic compounds on the Earth, and it's a major component of the cell walls in plant cells.

m_a_m_a [10]3 years ago
3 0

the answer is most probably option d

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What is the answer with explaining
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Answer:

All EeWw (100%)

Explanation:

This question involves two genes; one coding for earlobes and the other for hairline. According to the question, one parent is homzygous recessive for earlobe but homzygous dominant for hairline i.e. (eeWW) while the other parent is homzygous dominant for earlobe but homzygous recessive for hairline i.e. (EEww).

The cross between the two parents is as follows: eeWW × EEww. The following gamete combination will be produced by each parent:

eeWW - eW, eW, eW, eW

EEww - Ew, Ew, Ew, Ew

Using this gametes in a punnet square, the following proportion of offsprings will likely be produced:

All EeWw

6 0
3 years ago
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SOVA2 [1]
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4 0
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kotykmax [81]

Smoking is one of the major reason of Lung cancer. But one may have cancer even if the individual is not a smoker due to radiation, secondary air pollutants.

<h3>                                                                                                                        What is cancer?</h3>

Cancer is described as the uncontrolled and abnormal growth of cells in one’s body which are arrested in the growth phase of the cell cycle and multiply rapidly and does not mature  like normal cells, cancer is more aggressive form of a tumour.                                                                          

                                                                                         

The following describe the relation of smoking with lung cancer

                                           

  • Cancer is caused by oncogenes activating substances [OAS] some of them causes mutation in the body

  • These oncogenic substances in the smoke produced while smoking contains nicotine, hydrocarbons, cyclohydrocarbons and various other factors which converts  normal cells into cancerous cells

  • Hence,
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Learn more about Lung cancer

brainly.com/question/18317469

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