The correct answer is keratin. The protein found in hair and nails is known as keratin. Keratin is produced by the keratinocytes. Keratin is the basic component of the hair and the nails of a human being. It can also be found in the skin cells in the outer layer.
Answer:
its b) lipids and cholesterol
Explanation:
The cell membrane is the wall of the cell which separates the cell inners to the outer environment. Cell membranes are constructed mainly from lipids and protein. The largest percentage of molecules which make up the cell membrane are phospholipids, cholesterol, and protein.
The right one for this is “D”
We can confirm that Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed vestigial.
<h3>What are vestigial features?</h3>
These can be thought of as features that belonged to ancestors of a specific species and are no longer needed, and thus have been reduced to functionless vestiges through many generations of evolution. The appendix is one such example in humans.
Therefore, we can confirm that Anatomical features that are fully developed and functional in one group of organisms but reduced and functionless in a similar group are termed vestigial.
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Answer:
Leukemia
Explanation:
Leukemia is a term used to describe the increase in high number of abnormal white blood cells or excessive production and uncontrolled increase of immature white blood cells. This effect usually pose an increased risk of infections.
Factors that result to Leukemia can be as a result of environmental activities such as exposure to ionizing radiation or it can be as a result of genetic mutation in the DNA. Mutations can trigger leukemia by activating oncogenes or deactivating tumor suppressor genes, and thereby disrupting the regulation of cell death, differentiation or division.