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Cell parts (organelle and plasma membrane). Rayna Higuchi, Alexa Hozouri , Audrey Elloitt , Kevin Ding, Yusuke Tsutsuzaki Period 1. Cell Membrane and Cell Wall. Cell Membrane Regulates passage in and out of cells. In both plant and animal cells. Cell Wall Rigid structure

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Cell parts organelle and plasma membrane

Cell parts (organelle and plasma membrane)

Rayna Higuchi, AlexaHozouri, Audrey Elloitt, Kevin Ding, Yusuke Tsutsuzaki

Period 1


Cell membrane and cell wall
Cell Membrane and Cell Wall

Cell Membrane

  • Regulates passage in and out of cells.

  • In both plant and animal cells.

Cell Wall

  • Rigid structure

  • Located outside of the plasma membrane

  • Only in plant cells

  • Provides support and protection


Nucleus and nucleolus

Nucleolus

Nucleus and Nucleolus

Nucleus

Information and administrative center

  • Organelle in eukaryotic cell nucleus

  • Produces ribosomes


Endoplasmic reticulum and ribosomes

Ribosomes

Endoplasmic reticulum and Ribosomes

Endoplasmic reticulum

Modifies proteins and lipids

Smooth has no ribosomes, rough has ribosomes attached

  • Protein production sites


Cytoplasm and vacuole

Vacuole

Cytoplasm and Vacuole

Cytoplasm

Clear, gelatinous fluid

Suspends the cells organelles

  • Membrane-bound, fluid-filled space in the cytoplasm

  • For temporary storage of materials


Mitochondria and chloroplast

Chloroplast

Mitochondria and Chloroplast

Mitochondria

Power generator for the cell

  • Captures light energy from the sun and converts it into chemical energy

  • Only in plant cells


Golgi apparatus and cytoskeleton

Cytoskeleton

Golgi apparatus and Cytoskeleton

Golgi apparatus

The distribution and shipping department for the cells chemical products

  • Cellular framework found within the cytoplasm

  • Composed of microtubules and microfilaments


Lysosome
Lysosome

  • Organelle that contains digestive enzymes

  • Digests excess or worn out organelles, food particles, and engulfed viruses or bacteria


Viruses
Viruses

  • Basic Structure

    • Contains general information

    • NOT living

    • May have external structures and a membrane

  • Diagram

  • Examples: Hepatitis B, HIV, Measles, Mumps, Rabies, Ebola, Influenza


Prokaryotic cells vs eukaryotic cells

Eukaryotic

Prokaryotic cells vs. Eukaryotic cells

Prokaryotic

Basic Structure

Surrounded by a membrane and cell wall

Does not have membrane enclosed organelles(except ribosomes)

Examples: Blue-green algae, bacteria (E.coli, Salmonella)

  • Basic Structure

    • Plasma membrane

    • Cytoplasm

    • Cytoskeleton

    • Presence of characteristic membrane enclosed organelles

  • Examples: Plants, animals, fungi, protists


Plasma membrane
Plasma Membrane

  • Characteristics

    • Maintains homeostasis (balance with environment)

    • Selective permeability- allows some molecules into the cell while keeping others out

  • Structure

    • Phospholipids

      • Lipids with a phosphate group attached

    • Carrier Proteins

      • Allows larger substances to move through the

        plasma membrane

    • Cholesterol molecule

      • Helps stabilize the phospholipids

      • Prevents fatty acid chains of the

        phospholipids from sticking together


1 what is the function of the vacuole
1. What is the function of the vacuole?

  • It produces and modifies proteins

  • Serves as an information and administrative center for the cell

  • c. Temporarily stores materials for the cell

  • d. Captures light energy from the sun to convert into chemical energy


2 nucleolus organelle in cells that produces
2. Nucleolus= organelle in cells that produces

  • prokaryotic, DNA

  • Prokaryotic, ribosomes

  • Eukaryotic, ribosomes

  • Eukaryotic, DNA


3 what is the definition of a ribosome
3. What is the definition of a ribosome?

  • Protein production site

  • Organelle that contains digestive enzymes and digests excess or worn out organelles, food particles, and engulfed viruses/ bacteria

  • c. Protein and lipid modifier

  • d. The distribution and shipping department for the cell’s chemical products


4 the located just inside the regulates the passage in and out of cells
4. The , located just inside the , regulates the passage in and out of cells

  • The cytoplasm, located just inside the plasma membrane, regulates the passage in and out of cells

  • The plasma membrane, located just inside the cytoskeleton, regulates the passage in and out of cells

  • The plasma membrane, located just inside the cell wall, regulates the passage in and out of cells

  • The cell wall, located just inside the cytoskeleton, regulates the passage in and out of cells


5 which of these is an example of a virus
5. Which of these is an example of a virus?

  • HIV

  • Ecoli

  • Salmonella

  • Bacteria


6 which of these is not a characteristic of a prokaryotic cell
6. Which of these is not a characteristic of a prokaryotic cell?

  • Has a plasma membrane and a cell wall

  • Presence of characteristic membrane enclosed organelles

  • DNA not contained in a nucleus

  • Has ribosomes


7 what is the plasma membrane made of
7 cell?. What is the plasma membrane made of?

  • The plasma membrane contains carrier proteins, cholesterol molecules, and microtubules.

  • The plasma membrane contains flagellum, phospholipids, and carrier proteins

  • The plasma membrane contains cholesterol molecules, lysotubules, and phospholipids

  • The plasma membrane contains phospholipids, cholesterol molecules, and carrier proteins


8 cell?. Which of these statements is true about the Phospholipids (contained within the plasma membrane):1. they are made up of lipids with a phosphate group attached2. they have non- polar, hydrophilic heads and polar. hydrophobic tails3. proteins help stabilize the phospholipids and prevent the fatty acid chains from sticking together

1

2

3

Both 1 and 2

Both 1 and 3

Both 2 and 3


9 which of these correctly labels the diagram of a prokaryotic cell
9. Which of these correctly labels the diagram of a prokaryotic cell?

  • 1. ribosomes; 2. cell membrane; 3. cell wall, 4. endoplasmic reticulum

  • 1. ribosomes; 2. cell wall; 3. cell membrane; 4. flagella

  • 1. lysosome; 2. cell membrane; 3. cell wall; 4. golgi apparatus

  • 1. lysosome; 2. cell wall; 3. cell membrane; 4. flagella

1.

2.

4.

3.


10 what does a chloroplast do
10. What does a chloroplast do? prokaryotic cell?

  • A. power generator for the cell

  • B. captures light energy and converts it to chemical energy

  • C. uses energy from the sun to create other organelles

  • D. digests other old or worn out organelles to make energy


Answer to questions 1 and 2
Answer to questions 1 and 2: prokaryotic cell?

  • What is the function of the vacuole?

  • c. Temporarily stores materials for the cell

  • 2. Nucleolus= organelle in cells that produces

  • c. Eukaryotic, ribosomes


Answers to questions 3 and 4
Answers to questions 3 and 4: prokaryotic cell?

  • 3. What is the definition of a ribosome?

  • a. Protein production site

  • 4. The , located just inside the , regulates the passage in and out of cells

  • c. The plasma membrane, located just inside the cell wall, regulates the passage in and out of cells


Answers to questions 5 and 6
Answers to questions 5 and 6: prokaryotic cell?

  • 5. Which of these is an example of a virus?

  • HIV

  • (the rest are all bacteria)

  • 6. Which of these is not a characteristic of a prokaryotic cell?

  • b. Presence of characteristic membrane enclosed organelles


Answer to question 7
Answer to question 7: prokaryotic cell?

  • 7. What is the plasma membrane made of?

  • d. The plasma membrane contains phospholipids, cholesterol molecules, and carrier proteins

  • (PS: for anyone who chose answer c, lysotubules don’t exist)


Answer to question 8
Answer to question 8: prokaryotic cell?

  • 7. Which of these statements is true about the Phospholipids (contained within the plasma membrane):1. they are made up of lipids with a phosphate group attached2. they have non- polar, hydrophilic heads and polar. hydrophobic tails3. proteins help stabilize the phospholipids and prevent the fatty acid chains from sticking together

  • 1

  • (they have polar, hydrophilic heads and non- polar, hydrophobic tails. Cholesterol molecules prevent the fatty acid chains from sticking together and stabilize them)


Answer to question 9
Answer to question 9: prokaryotic cell?

  • 9. Which of these correctly labels the diagram of a prokaryotic cell?

1.

2.

a. 1. ribosomes; 2. cell wall; 3. cell membrane; 4. flagella

4.

3.


Answer to question 10
Answer to question 10: prokaryotic cell?

  • 10. What does a chloroplast do?

  • B. captures light energy and converts it to chemical energy


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