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Mrac [35]
4 years ago
8

Scientists use existing fossils to predict what the transitional forms between organisms might look like. Why might it be so har

d for scientists to find fossils of these transitional forms
Biology
1 answer:
zalisa [80]4 years ago
3 0

Answer:

Any preserved remains, trace, or impression of any once-thriving living thing from the past geological age is known as a fossil. This comprises exoskeletons, bones, stone imprints of animals or microbes, shells, hair, petrified wood, objects preserved in amber, DNA remnants, coal, and oil. The fossil record is the term used for the totality of fossils.  

The scientists use the prevailing fossils to show what the intermediary forms between the organisms may appear like. It is hard for the scientists to locate the fossils of the transitional forms as the formation of the fossils of the transitional forms may have never taken place because of the environmental conditions. In case if they did have formed, then the natural procedures like erosion may have demolished them.  

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According to the research, the primary purpose of membrane channels is to circulate ions, and of membrane pumps is to maintain differences in ionic concentration.

<h3>What are membrane channels and pumps?</h3>

They are pores in the cell membrane through which ions circulate for muscle contraction or membrane potential changes that may depend on a ligand or voltage, depending on whether their opening is determined by the binding of a ligand or by changes of voltage.

In this sense, membrane pumps is the mechanism of active ion transport, consuming energy across a membrane against an electromechanical gradient to maintain differences in ion concentration between the intracellular and extracellular space.

Therefore, we can conclude that according to the research,  the primary purpose of membrane channels is to circulate ions, and of membrane pumps is to maintain differences in ionic concentration.

Learn more about membrane channels and pumps here: brainly.com/question/11090806

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