<span>Radial symmetry evolved at least twice in unrelated invertebrates groups.
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The type of hormone, such as the steroid, which passes directly through the cell membrane to nuclear receptors to cause changes in gene expression within the cell, is known as hydrophobic.
Hydrophobic steroid hormones are transported in the circulation, largely bound to plasma carrier proteins. Steroids are overall hydrophobic because of they have common tetracyclic hydrocarbon core.
Hence, the steroid hormones are lipid-soluble in hydrophobic environments and they able to pass through the cell membrane of cell. Steroid hormones have the ability bind with receptors and change their structure and causing that complex to easily pass into the nucleus in order to alter or change gene expression.
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The finches may have speciated from the Galápagos finch and now occupy different habitats.
<h3>What is speciation?</h3>
The term speciation has to do with a type of evolution that gives rise to new organisms from existing ones. It is common in the world today. These ne organisms all tend to coexist with each but may not be on the same habitat.
For instance, the finches may have speciated from the Galápagos finch and now occupy different habitats.
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Answer:
D) All of the above.
Explanation:
Respiration is energy releasing process which is the basic requirement of all living organisms. In respiration process, energy is released due to the breakdown of glucose molecules with the addition of oxygen forming carbondioxode, water and energy in the form of Adenine tri phosphate (ATP). Respiration is done in the mitochondria of the cell. This ATP is used by the living organisms in different activities and processes.
