Microvilli are the structures of fingerlike projections that greatly increase the absorbing surface of the cells.
<h3>What is Microvilli? </h3>
Microvilli are membrane protrusions that resemble fingers and are sustained by the actin cytoskeleton. They are present in practically all cell types. An increasing amount of research indicates that the highly curved membranes of the dynamic lymphocyte microvilli play a critical role in signal transduction that triggers immunological responses.
The examination of the process that generates curvature and its functional implications in signaling, however, was impeded by difficulties in altering local membrane curvature and tracking the high dynamicity of microvilli. Recent developments in adaptive super-resolution microscopy have helped to partially overcome these technological obstacles.
Therefore the structure that increases the absorbing surface area is called microvilli.
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Answer:
continuous supply of oxygen to the cells. oxygen is extracted from the atmospheric air in the lungs, and carried by the bloodstream through the circulation to the tissue
The animal group which lacks true tissues and includes species which are asymmetrical is; Sponges.
<h3>Which animal group includes species that are asymmetrical?</h3>
It follows from biology of classifications that the defining characteristic of sponges includes the fact that they lack true tissues and the species are asymmetrical. Hence, the features indicated in the task content are suggestive of sponges.
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Usually in high-rise buildings, many people bring in plants whether they're real or fake, but D is not the answer. A does not make sense because building adds pollution. B isn't correct because it didn't specify if the building would be near water. C is the answer because animals live in the natural landscape.
