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tatuchka [14]
2 years ago
13

PLZZZZZZ HELLPPP

Biology
1 answer:
GalinKa [24]2 years ago
4 0

Answer:

Bacteria commonly change <u>nitrogen</u> to a form that can then be easily assimilated by plant.

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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.

6 0
3 years ago
What body part is most frequently affected by plaque psoriasis in children?
miskamm [114]

This disease is very common and appears as raised red patches covered with a silvery white buildup of dead skin cells often on the scalp, knees, elbows, and lower back.

I hope this helps please mark as brainliest :)

7 0
3 years ago
A teenager throws a 7.26 kg rock into a lake, trying to make a big splash. If the rock is travelling at a speed of 7.5 m/s, how
kherson [118]

Explanation:

K.E = 1/2mv²

1/2 x 7.26 x 7.5²= 204.19j

5 0
3 years ago
How is earth's early land environment different than today's land environment?
Natalka [10]
The question is asking to states on how i earth's early lang environment different than today's land environment and base on my research, I would say that in the past centuries or early ages, the Earth's land environment are compost of tree and plants and the air is still fresh. I hope you are satisfied with my answer and feel free too ask for more 
3 0
3 years ago
Why does the concentration of CO2 go up and down throughout the year?
nadezda [96]

the role of plants in carbon cycle

Explanation:

the amount of CO2 found in the atmosphere varies over the course of a year. much of this variation happens because of the role of plants in carbon cycle...respiration occurs all the time, but domains during the colder months of the year, resulting in higher CO2 levels in the atmosphere during those months.

7 0
2 years ago
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