Answer:
The environmental threat posed by the egregious amounts of plastic waste that have accumulated over the years, and that will likely continue to increase unabated.
Explanation:
This is because the atom that ’donate’ the electrons and the one that ‘accepts’ the electrons – to become ions – will share an electrostatic association and form an ionic bond. So in reality, the atoms are only transferring electrons between themselves rather than “losing and gaining” electrons. When the ionic bonds are broken, such as in chemical reactions, the atoms go back to neutral (regain their electrons) and form new associations with other atoms to form new compounds.
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For more on ions check out;
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F Enzyme Action and Changes<span> in pH. G The Effect of Temperature on Enzyme Populations. H How Enzyme Action Alters Temperature. J. The Effect of Temperature on Enzyme Action. 11 </span>Two parent butterflies<span> with </span>normal wings have offspring<span> with </span>altered wing shapes<span>. What </span>most likely caused<span> this</span>change<span>? A speciation.
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Answer:
The DNA strands are not free in the nucleus, but forming a compact structure called chromatin along special proteins, known as histones. The chromatin structure has an important role in gene expression, as the level of compaction and the histone modification act as signals for the transcription machinery
In order to be transcribed, different areas in the genome need to unfold from the histone proteins, so the RNA polymerase can access the DNA.
That means, <u>that DNA sequences that transcribe at high rate, are more often unfold from the histones, and more exposed to other proteins to bind them. Particularly, those areas are more sensitive to the attack of endonucleases, such as DNAse I.</u>
As a consequence, an assay of DNAse I digestion can be used to identify highly sensitive or resistant to DNAse cleavage areas in the genome, and therefore serve as an insight to which sequences are more and less transcriptionally active.
<span>The answer to the question that is being presented above would be K-selected. Sperm whales, which have adapted to live in equilibrium at carrying capacity for a long time, are referred to as the K-selected kind of species.</span>
