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The student is expected to: 4B investigate and explain cellular processes, including - PowerPoint PPT Presentation


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The student is expected to: 4B investigate and explain cellular processes, including homeostasis, energy conversions, transport of molecules, and synthesis of new molecules and 9A compare the structures and functions of different types of biomolecules, including

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slide1
The student is expected to:

4B investigate and explain

cellular processes, including

homeostasis, energy conversions,

transport of molecules, and

synthesis of new molecules

and

9A compare the structures and

functions of different types of

biomolecules, including

carbohydrates, lipids, proteins,

and nucleic acids

slide3

The cell theory grew out of the work of many scientists and improvements in the microscope.

  • Passive transport requires no energy from the cell.
  • Active transport is powered by chemical energy (ATP).
  • Active transport occurs through transport protein pumps.
  • Cells use active transport to maintain homeostasis.
slide4

A cell can import and export large materials or large amounts of material in vesicles during the processes of endocytosis and exocytosis.

  • Cells use energy to transport material in vesicles.
  • Endocytosis is the process of taking material into the cell.
  • Phagocytosis is a type of endocytosis.
slide5

A cell can import and export large materials or large amounts of material in vesicles during the processes of endocytosis and exocytosis.

  • Cells use energy to transport material in vesicles.
  • Exocytosis is the process of expelling material from the cell.