Astudent made a model of a closed ecosystem in a bottle like the one shown. then the student hypothesized that the water cycle will take place in the model ecosystem.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

One of the purposes of transcription is to produce a sequence of bases that

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an