Cell Structure and Function Review

Cell Structure and Function
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Biology10th Grade

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Cell Structure and Function

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Cell Membrane and its Properties
  • The cell membrane separates the cell from its environment
  • It controls the movement of substances in and out of the cell
  • The cell membrane is selectively permeable

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Learning Objectives
  • Understand the internal structure of cells and the function of their organelles
  • Comprehend the concept of cell membrane and its role in controlling what enters and exits the cell
  • Recognize the importance of cell theory and its principles
  • Differentiate between prokaryotic and eukaryotic cells

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Cell Organelles and their Functions
  • Cells have internal structures called organelles
  • Organelles include the nucleus, endoplasmic reticulum, ribosomes, Golgi apparatus, vesicles, mitochondria, vacuoles, lysosomes, centrosomes, centrioles, cell walls, and chloroplasts
  • Each organelle performs specific functions within the cell

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What is the function of the Golgi Apparatus?
A
Transporting oxygen
B
Modifying, sorting, and packaging proteins
C
Storing water
D
Synthesizing DNA

Slide 6 - Quiz

Which organelle is responsible for producing energy in the cell?
A
Golgi Apparatus
B
Nucleus
C
Mitochondria
D
Lysosome

Slide 7 - Quiz

What is the outermost layer of a cell called?
A
Cytoplasm
B
Nucleus
C
Cell membrane
D
Mitochondria

Slide 8 - Quiz

Which organelle is responsible for generating energy in a cell?
A
Endoplasmic reticulum
B
Golgi apparatus
C
Lysosome
D
Mitochondria

Slide 9 - Quiz

Which organelle is known as the 'control center' of the cell?
A
Ribosome
B
Vacuole
C
Nucleus
D
Chloroplast

Slide 10 - Quiz

Types of Cells: Prokaryotic and Eukaryotic
  • Prokaryotic cells have no nucleus and their DNA is suspended in the cytoplasm
  • Eukaryotic cells contain a nucleus and other membrane-bound organelles
  • Prokaryotic cells are single-celled organisms, while eukaryotic cells can be multicellular or unicellular

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Which of the following is not a component of a prokaryotic cell?
A
Nucleus
B
Cell wall
C
Plasma membrane
D
Ribosome

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Cell Theory and its Principles
  • Cell theory states that all organisms are made of cells
  • Cells are the basic unit of life
  • Cells arise from pre-existing cells

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Which of the following is NOT part of the cell theory?
A
Cells can only be found in animals
B
Cells are the basic units of structure and function in living organisms
C
All living organisms are composed of cells
D
Cells arise from pre-existing cells

Slide 16 - Quiz

Definition List
  • Cell Theory: A scientific theory stating that all organisms are made of cells, cells are the basic unit of life, and cells arise from pre-existing cells
  • Cytoplasm: A jelly-like substance that contains dissolved molecular building blocks like proteins, nucleic acids, minerals, and ions
  • Organelles: Structures specialized to perform distinct processes within a cell
  • Prokaryotic cells: Single-celled organisms with no nucleus, and their DNA is suspended in the cytoplasm
  • Eukaryotic cells: Cells that may be multicellular or unicellular, and contain a nucleus and other membrane-bound organelles

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Who was the scientist that proposed the cell theory?
A
Watson and Crick
B
Schleiden and Schwann
C
Mendel and Darwin
D
Einstein and Newton

Slide 18 - Quiz

Which statement is true regarding the cell theory?
A
It was formulated in the mid-19th century
B
It was proposed by a single scientist
C
It was discovered in the 21st century
D
It was widely accepted in ancient civilizations

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