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Cell Theory and Cell Structures

Biology13 CardsCreated 4 months ago

This deck covers key concepts related to cell theory, cell structures, and their functions, including differences between plant and animal cells and types of microscopes.

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List the 3 parts of the Cell Theory.

1. All cells come from existing cells. 2. The cell is the basic unit of all living things. 3. All organisms are composed of one or more cells.
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Key Terms

Term
Definition
List the 3 parts of the Cell Theory.
1. All cells come from existing cells. 2. The cell is the basic unit of all living things. 3. All organisms are composed of one or more cells.
What is the benefit of a scanning electron microscope over a light microscope?
Highly magnified images.
What is the composition of the cell membrane?
A double-layered lipid bilayer, or lipids, which makes a flexible structure.
What is the organization of life from least complex to most?
Cell → Tissue → Organ → Organ system → Organism.
What are organs made of?
Many similar tissues.
What systems work together to maintain homeostasis in the body?
Not the reproductive system; rather, the digestive, circulatory, immune, and endocrine systems.
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Cell Theory and Cell Structures
TermDefinition
List the 3 parts of the Cell Theory.
1. All cells come from existing cells. 2. The cell is the basic unit of all living things. 3. All organisms are composed of one or more cells.
What is the benefit of a scanning electron microscope over a light microscope?
Highly magnified images.
What is the composition of the cell membrane?
A double-layered lipid bilayer, or lipids, which makes a flexible structure.
What is the organization of life from least complex to most?
Cell → Tissue → Organ → Organ system → Organism.
What are organs made of?
Many similar tissues.
What systems work together to maintain homeostasis in the body?
Not the reproductive system; rather, the digestive, circulatory, immune, and endocrine systems.
What is the shape of red blood cells, and how do red blood cells help maintain homeostasis in your body?
They are concave. They help maintain homeostasis by carrying oxygen throughout the body—in and out.
What is the function of white blood cells, and what organelles would you expect to find in large numbers so antibodies can be synthesized?
White blood cells fight infections. You would expect to find large amounts of rough endoplasmic reticulum for antibody synthesis.
Why is the vacuole in a plant cell so large?
It is filled with fluid to help support leaves and flowers.
Name 3 structures that differ in plant and animal cells.
Chloroplasts, centrioles, and cell wall.
What microscope can produce 3-dimensional images?
Scanning electron microscope.
Name 2 types of active transport.
Molecular: Pumps small molecules or proteins. Bulk: Moves large molecules into or out of the cell.
What is the function of lysosomes?
To break down or recycle macromolecules.