Homework #3 Chapter 3: Cells What are the differences between prokaryotes and eu

Question

Homework #3 Chapter 3: Cells What are the differences between prokaryotes and eukaryotes? Give examples of each type of cell. 2. 1. What does cell membrane is made up from? What are the 3 macromolecules that are embedded in the cell membrane? What are their functions? 3. Discuss how animal cells and plant cells connect and communicate. 4. Discuss in details how molecules move across cell membrane. 5. Label the cellular organelles/structures on the following figures. What are their functions? You have a prokaryotic cell (bacteria) and two eukaryotic cells (animal and plant). Record your answers in the attached tables.

Explanation / Answer

PROKARYOTES.

2.nucleus is absent and the cell walls are made up of peptidogycan.

eg:plants,fungi,insects.

2. Cell membrane is present in all living organisms these membrane consists of phospholipids and proteins.the three macro molecules that are embedded in the membrane are lipids,proteins and carbohydrates.the main function is protection of cell from surrounding and it controls the movement of substance in cells.

PROKARYOTES.

EUKARYOTES. 1. No membrane bound organelles membrane bound organelles are present.

2.nucleus is absent and the cell walls are made up of peptidogycan.

nucleus is present and cell wall is made of cellulose. 3.locomotion is by pills ,fimbrae and flagella.capsule is mucillaginous ana cell size ranges from 0.5 to 100um. locomotion is by cilia and flagella .no mucillaginous capsule .cell size ranges from 10 to 150um. 4.eg:Bacteria

eg:plants,fungi,insects.

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