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sergiy2304 [10]
3 years ago
14

`Which options are part of the ecosystem, but not part of the community? Check all that apply.

Biology
2 answers:
ella [17]3 years ago
7 0

Answer:water and sand

Explanation:

Misha Larkins [42]3 years ago
7 0

Answer:

Water

Sand

Explanation:

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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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3 years ago
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During the cell cycle, what occurs to the cell at the interphase stage?
sladkih [1.3K]
Inter phase consists of G1, S, when DNA is replicated, and G2. Interphase ends and mitosis begins
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3 years ago
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While researchers have discovered that there are an excessive number of receptor sites for _________________
Yuki888 [10]

Answer:

While researchers have discovered that there are an excessive number of receptor sites for dopamine, it is not the only neurotransmitter involved in schizophrenia.

Explanation:

7 0
3 years ago
A plastic bottle contains 32.5 L of gas at a pressure of 45.7 kPa and
Monica [59]

Answer:

Final pressure, P2 = 362.26 kPa

Explanation:

Given the following data;

Initial volume = 32.5 Liters

Initial pressure = 45.7 kPa

Final volume = 4.1 Liters

To find the final pressure, we would use Boyle's law;

Boyles states that when the temperature of an ideal gas is kept constant, the pressure of the gas is inversely proportional to the volume occupied by the gas.

Mathematically, Boyles law is given by;

PV = K

P_{1}V_{1} = P_{2}V_{2}

Substituting into the equation, we have;

45.7 * 32.5 = P_{2} * 4.1

1485.25 = 4.1P_{2}

P_{2} = \frac {1485.25}{4.1}

P_{2} = 362.26

Final pressure, P2 = 362.26 kPa

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2 years ago
In order to assemble the organic compounds that are necessary for life, enzymes must break down food into their building blocks.
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They would die because they need amylase to disgust food
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