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iris [78.8K]
3 years ago
8

X

Biology
1 answer:
Verizon [17]3 years ago
6 0

Answer:

option c

Explanation:

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What type of succession<br> will occur if a parking lot<br> is abandoned for 1000<br> years?
insens350 [35]

Answer:

Primary Succession

Explanation:

Because no  organisms previously lived on it. Parking lots can be considered

like rocks, which also undergo primary succession. Overtime soil   will be blown onto the parking lot and if not maintained plants

will begin to grow thus starting new life.

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2 years ago
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What is endoplasmic reticulum and it's types​
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The endoplasmic reticulum is, in essence, the transportation system of the eukaryotic cell, and has many other important functions such as protein folding. It is a type of organelle made up of two subunits – rough endoplasmic reticulum, and smooth endoplasmic reticulum. It usally has ribosomes attatched to it.

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Describe three ways in which the organs of the circulatory system and respiratory system are protected.
Ipatiy [6.2K]
The circulatory system and respiratory system are protected by your skin, muscles, and ribs.
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2 years ago
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HELP ME. What are ways that ordinary people can help to keep antibiotic resistance from getting worse? Express your opinion abou
ycow [4]
By taking daily antibiotics, people are encouraging resistance by getting their immune systems used to the formulas. Antibiotic resistance<span> occurs when bacteria change in a way that reduces the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply, causing more harm. I think that people can help by not taking antibiotics for every little pain they have, instead try other simple remedies and only use medicines in cases where other remedies won't help. </span>
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2 years ago
Oxidative damage to DNA can often result in the alteration of a single nucleotide.
Harman [31]

Answer:

Repair mechanism for base cleavage (BER)

Explanation:

Repair by base cleavage (BER)

The altered bases are specifically recognized by glycosylases and removed, generating an AP site. The hole is filled by a DNA polymerase that takes the healthy strand as a template. This system arises not only by exposure to external agents, but also by the cell's own activity.

In case of damage in more than one nucleotide, repair by nucleotide excision (NER) is performed.

Nucleotide excision repair (NER)

The damaged area is recognized by UvrA and B, then A and B separate and UvrC enters which forms a complex with endonuclease activity with B. This enzyme cuts the T-dimer and the gap is filled by a DNA polymerase. There is also the TC-NER system (transcription-coupled nucleotide repair system). The alteration of these mechanisms gives rise to diseases such as: Xeroderma pigmentosum, Trichotiodystrophy or Cockayne Syndrome

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