The nucleus of the cell is responsible for: a. altering and packaging proteins and lipids. b. controlling the activities of the cell. c. converting light energy into food energy. d. breaking down molecules to produce energy.

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

Which structure in the cardiovascular system connect arteries to veins?

What characteristic makes a cell membrane selectively permeable