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adoni [48]
2 years ago
11

Describe how four spheres are considered an open system​

Biology
1 answer:
Morgarella [4.7K]2 years ago
6 0

Answer:

These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air). Each of these four spheres can be further divided into sub-spheres.

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Variations in elevation of a land surface is
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<h3>What is Protein? </h3>
  • Large biomolecules and macromolecules known as proteins are made up of one or more extended chains of amino acid residues.
  • Among the many tasks that proteins carry out in living things include catalyzing metabolic processes, replicating DNA, reacting to stimuli, giving cells and organisms structure, and moving molecules from one place to another.
  • The primary way that proteins differ from one another is in the order of their amino acids, which is determined by the nucleotide sequence of their genes and typically causes a protein to fold into a certain 3D structure that controls its activity.
  • Protein turnover is the process through which the machinery of the cell breaks down and recycles proteins that have already been created after a finite amount of time.
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Learn more about protein here:

brainly.com/question/10058019

#SPJ4

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