<span>Epithelioma. Scirrhous cancer, or Hard cancer, in which the framework predominates, and the tumor is of hard consistence and slow growth. Encephaloid cancer, Medullary cancer, or Soft cancer, in which the cellular element predominates, and the tumor is soft, grows rapidy, and often ulcerates.
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Answer:
Active transport is important because it allows the cell to move substances against the concentration gradient.
Explanation:
During active transport, a protein pump uses energy, in the form of ATP, to move molecules from an area of low concentration to an area of high concentration. An example of active transport is the sodium-potassium pump, which moves sodium ions to the outside of the cell and potassium ions to the inside of the cell.
Answer:
No.
Explanation:
No, all the pieces of paper did not remains waterproof because expansion of paper occur due to high temperature of hot water. We know that materials expand when they experience high temperature and contract when they observe cold temperature. So the pieces of paper remains waterproof which were put in cold water while those were not waterproof if they are put in hot water.