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iogann1982 [59]
4 years ago
7

A cell is a complex system. Like most systems, a cell contains a boundary that separates things that are inside the system from

those that are outside of the system. Which part of the cell functions as a system boundary?
Biology
1 answer:
pshichka [43]4 years ago
8 0
The cell membrane. it protects the cell from outside substances. it controls what can enter and leave the cell.
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How might a mutation in either a hormone or its receptor affect the physiological system that it normally regulates?
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A mutation in either a hormone or its receptor might affect the physiological system that it normally regulates by either blocking hormone effect or creating a completely different effect.

Hormones can be called chemical messengers which coordinate distinct functions in the body. Many glands, organs and tissues produce and release hormones, many of which constitute the endocrine system.

A hormone will only act on a part of the body if it fits i.e. if the cells in the target tissue have receptors which can receive the message of the hormone. Given that hormones carry instructions in their structure, mutations alter their structures by changing nucleic acid sequences which blocks hormone function.

To learn more about mutation here

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I would say that the answer to this question is most likely B or D.
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Both aerobic and anaerobic respiration yield a net gain of ATP molecules to be used as energy for living things. The processes o
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Correct answer: C). Oxidative phosphorylation

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During the process of oxidative phosphorylation, electrons are exchanged between the molecules, that creates a chemical gradient, which is required for the production of ATP. It is known to produce more ATP called the energy currency of cell that any other cellular respiration. It produces 90% of the total ATP synthesized in the cell.




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4 years ago
Bacteria such as E. coli are an excellent model system for genetics studies because they can quickly grow to high densities, all
Goshia [24]

Quick growth to high densities of bacteria such as E. coli can give rise to mutants which are genetic variants within a species.

<h3>Mutants</h3>

Mutants are mutated forms of species.

Mutation refers to changes to the DNA base sequence of organisms. This can be caused by a variety of factors.

In a population of high density consisting of a single species, the frequency of mutation is usually high.

Mutation will create phenotypically different organisms within the same species population. These organisms are known as mutants and not only phenotypically different but also genetically variant.

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3 years ago
Which property gives plasma a high electrical conductivity?
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D. presence of charged particles

Explanation:

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