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PSYCHO15rus [73]
3 years ago
7

An organism must have a ________ in order to be considered living.

Biology
1 answer:
kenny6666 [7]3 years ago
7 0
<span>A dead person is still with brains and nervous system. It's the lack of metabolism, the ability to obtain and use energy as required is what makes an organism dead. The answer to your question is B. metabolism.</span>
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2 years ago
Explain why a hydrogen atom can become either an ion or a part of molecule?
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<span>If it loses that 1 electron (0 electrons, 1 proton, 1 neutron) it become an ion that is positively charge because it has more protons than electrons. [Ignore the neutrons] </span>

<span>If it gains an electron (2 electrons, 1 proton, 1 neutron) it becomes an ion that is negatively charge because it has more electrons than protons </span>

<span>A molecule - when 2 or more "different" elements combine or when 2 or more of the "same" elements combine </span>

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3 years ago
Why does Anne wish Peter had a religion?
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Answer:

Anne admires that Peter is willing to humble himself for the sake of peace, even when he knows he's right. In Anne's mind, 'Peter Schiff and Peter van Daan have melted into one Peter, who's good and kind and whom I long for desperately.  Explanation: GETBACKGANG STRETCHGANG O.T.F O BLOCK?600

4 0
3 years ago
Normally, this region is imprinted in the sperm, but not the egg. This means that the DNA on the ____________ copy of the chromo
Nostrana [21]

Answer: The DNA on the paternal copy of the chromosome will be methylated at the imprinting center, while the DNA on the maternal copy of the chromosome will not be methylated in this region.

Explanation:

Chromosomes are DNA structures associated with proteins such as histones. They are found in the nucleus of cells and contain genetic information for the development and functioning of an organism. Human beings are diploid, meaning that they possess two copies of each of the 23 chromosomes (a total of 46).

Gametes, which are sex cells such as the sperm (produced by the male) and the egg (produced by the female) that are haploid. This means that they possess only one chromosome of each pair. During fertilization, a male gamete fuses with a female gamete to generate a zygote, which will give rise to a new human being. <u>This new individual will possess half of the genetic material from its father and half from its mother. Thus having a total of 46 chromosomes, 23 from each parent</u>.

Genetic imprinting modulates gene expression by chemical modification of DNA and/or modification of chromatin structure. Often, genetic imprinting causes a gene to be expressed only on the chromosome inherited from one of the parents. One example of imprinting is DNA methylation, which is a process by which methyl groups are added to DNA. <u>Methylation modifies DNA function when found in the promoter gene, repressing gene transcription. This means that a methylated gene will not be expressed</u>, that is, it will not produce a protein encoded by that gene. So, if a region of DNA is imprinted in the sperm cell, the paternal chromosome inherited from this sperm will be methylated in the genes of the offspring. And the offspring will only express the maternal copy inherited, which will not be methylated.

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3 years ago
Which body membrane would be found lining the inside of the knee joint?.
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Answer:

It's the ( Synovial membrane )

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2 years ago
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