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goldfiish [28.3K]
3 years ago
14

What are the definition of DNA and RNA

Biology
2 answers:
gayaneshka [121]3 years ago
7 0
Simple,

DNA: Deoxyribonucleic Acid

RNA: Ribonucleic Acid
sasho [114]3 years ago
6 0

DNA has two strands

RNA has one

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Plz help I will mark you brainlist plz if it will let me but plz help me​
Y_Kistochka [10]

Compounds consist of atoms of different elements. In compound the atoms are present in fixed proportion. By changing the proportion compound will changed. For example,

Nitrogen and oxygen reacted to form the compound. By changing the proportion both will form different compound.

NO₂

Nitrogen dioxide consist of one atom of nitrogen and two atoms of oxygen. Their ration is 1 :2

NO

In nitric oxide one atom of oxygen and one atom of nitrogen are present.

Their ratio is 1 : 1.

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2 : 1

N₂O₄

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3 0
3 years ago
Which organisms are not examples of an adaptive radiation?
gavmur [86]

Answer:

Option B, Mammals and reptiles in the post-dinosaur age.

Explanation:

Adaptive radiation is mechanism through which species evolve very fast from common single ancestors. In simple words two different species are said to have evolved through adaptive radiation when they have descended from a single lineage. This is not the case with mammals and reptiles.  

Generally in adaptive radiation, a species evolve when it faces new environmental challenges due to change of habitat or area. For example mammals have evolved from dinosaurs.  

Hence, option B is correct

5 0
3 years ago
Which health care provider assessment technique does the nurse anticipate being used to determine developmental dysplasia of the
Arlecino [84]
A nurse can identify possible developmental dysplasia of the hip (DDH) during a newborn assessment through asymmetry of the gluteal folds. Asymmetrical buttock creases can suggest hip dysplasia in infants but an ultrasound or x-ray study will need to be done to determine whether the hips are normal or not just like a hip click.

 





8 0
3 years ago
What is the role of microfilaments in cell division?
Sedbober [7]
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6 0
2 years ago
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Leona [35]

hope this helps

I do think that they close to not allow too much of either water or air from entering.

the hollow tube allows water to flow easily.

https://www.bbc.co.uk/bitesize/guides/z28g7p3/revision/1

3 0
2 years ago
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