Which is an example of cell differentiation and specialization? A. All mammal cells are identical.

B. Starting as stem cells, a

gene cuts on in each which leads to them changing into muscle cells, fat cells, nerve cells, and red blood

cells each having different jobs.

C. All cells have cilia at the adult stage.

D. The DNA is different in all body cells.

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

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its temperature is increasing. this causes molecular vibrations to increase.

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.