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igomit [66]
3 years ago
7

The cell theory says all living things are composed of one or more

Biology
1 answer:
ruslelena [56]3 years ago
8 0
All living things are composed of one or more cells
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The nucleoside analogue acyclovir, which is used to treat herpes simplex virus (HSV) infections, lacks a 3′ hydroxyl group (–OH)
Dima020 [189]

Answer:

There won't be any functional viral DNA synthesis

Explanation:

First of all, you must consider that the HSV has a double-stranded, linear DNA genome. Furthermore, the DNA skeleton is made of the 5'-3' phosphodiester bond. In other words, the 5-phosphat of a nucleotide will bond the 3' OH of the Deoxyribose (see image).

Therefore, if you add a molecule which lacks the 3' OH, such as acyclovir, and has a similar chemical structure to a regular nucleotide, the DNA polimerase will be able to add acyclovir to the main backbone of the viral genome. All in all, you'd be ''cheating'' the DNA pol.

Hence, wherever acyclovir was integrated, there won't be any chance to form a 5'-3' phosphodiester bond. The protomolecule will not be stable and will soon be degradated.

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3 years ago
Que tipo de relación existe cuando una especie que utiliza a otra como vivienda
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Which of the following statements about codons in prokaryotic cells and eukaryotic cells is correct?
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D

Explanation:

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6 0
3 years ago
True or False: The three parts of a nucleotide are:
Lemur [1.5K]

Answer:

Both deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are made up of nucleotides which consist of three parts:TRUE

Explanation:

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7) Other than sunlight for energy, photosynthesis in plants needs these two things that we breathe
almond37 [142]

Answer:

Oxygen is needed to break the sugar into carbon dioxide, releasing energy the plants can use to stay alive. However, plants also take in energy from the sun(light), carbon dioxide from the atmosphere, and water from the soil; they use all of them in order to make sugar, and release oxygen.

Explanation:

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