Answer:
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Answer:
It is not usually a component of eukaryotic membranes.
Explanation:
Cholesterol is responsible for modulating the fluidity of the cell membranes of eukaryotes.
It is produced in most animal cells, and its formation is substantially active in <u>liver</u> cells, where bile acids are synthesized from cholesterol.
In addition, cholesterol is the precursor of steroid hormones such as progesterone, testosterone, estradiol and cortisol.
Cholesterol (like other lipids) is <u>amphipathic</u>, meaning it has a polar head (hydrophilic) and an apolar tail (hydrophobic).
Given the above, it can be concluded that the false statement is "it is not usually a component of eukaryotic membranes".
<u>Answer:</u>
Geologists have sorted earth’s history into different geologic time scale. They just clubbed it into time scales by observing the major changes in the life forms that existed on the earth. Inferring to the fossils found in rocks the time scale was calculated.
First era single cell animals were formed then formed the complex animals.Then Mesozoic era where it is known as the era of dinosaurs. Then the evolution of different species of life during Cenozoic era. These major changes found through fossils helped them to form the GTS.
Answer:
Birds have remarkably specialized bones that are pneumatic, because they are full of air sacs that provide a continuous flow of breath throughout their bodies. In short, their lungs are essentially hooked up to their bones.
