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What are the three phases of transferring gases between the environment and the cells?
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What is the effects of the exchange of oxygen and carbon dioxide between internal leaf cells and the external environment?
the surface of these cells are moist and the stomatas are open
Where is the cell membrane in cells that do not have a cell wall?
its formed between the cell and the environment only in animal cells not in plants because plants have cell wall
What provides a boundary between the internal and external environment of all cells?
The cell membrane surrounds a cell's cytoplasm. It protects the cells by being selective about what enters and exists a cell.
How many phases of mitosis do somatic cells go through and in what amount of time?
Fee
Transferring normal human genes into human cells that lack them is called?
Gebe theroij
What is indirect respiration?
indirect respiration is a gaseous exchange that involves two phases: a. external respiration - exchange of gases between environment and tissues. b. internal respiration - exchange of gases between the tissues and body cells juiysiey ",
What is the barrier between the inside of a cells and its environment?
plasma membrane
What is the barrier between the inside of cells and its environment?
plasma membrane
What Cells are important in the transferring of nutrients to neuron are?
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What is the sum of energy-transferring reactions within cells?
Metabolism.
What is function of a protein in a cell?
It sends signals between the cells external and internal environment.
What is the primary energy transferring molecules in cells?
ATP (Adenosine Triphosphate
During which phases of the cells cycle do such mutation occur?
inerphase
What is the effects of the exchange of oxygen and carbon dioxide between internal leaf cells and the external environment?
the surface of these cells are moist and the stomatas are open
What is a molecule that is the most important for capturing and transferring free energy in cells?
ATP
Where is the cell membrane in cells that do not have a cell wall?
its formed between the cell and the environment only in animal cells not in plants because plants have cell wall
Why do gap phases exist in the cell cycle?
Gap phases exist to allow cells to replicate organelles and manufacture additional cytoplasm.
