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WorksheetsCell Structure
Total questions: 12
Worksheet time: 8mins
What cell theory says?
All living things are made up of one or more cells.
All substances that enter or leave a cell must pass through the surface of the cell.
Cells are the basic units of structure and function in organisms.
All cells arise from existing cells.
How were cell discovered?
Using metrics units.
Using science graphics.
Through microscope observations.
Observing the cell shape and size.
Cells can vary greatly in size and shape?
TRUE
FALSE
These are the cell features:
Cell Membrane.
Cytoplasm.
Ribosome.
Nucleus.
All substances that enter or leave a cell must pass through the surface of the cell.
(a)
Larger cells often have shapes that increase the surface area available for exchange.
(a)
A phospholipid layer covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment.
(a)
What does the cytoskeleton do?
Microfilaments.
Microtubules.
Intermediate fibers.
Helps the cell move, keep its shape, and organize its parts.
How does cells get energy?
From the vacuole.
The energy for cellular functions is produced by chemical reactions that occur in the mitochondria and chloroplast.
From Golgi apparatus.
From the endoplasmic reticulum.
There are three kinds of cytoskeleton fibers:
Ribosomes.
Microtubules.
Intermediate fibers.
Microfilaments.
Levels of Organization:
Tissues.
Organs.
Colonial organisms.
Organ system.
Describe the four levels of organization that make up an organism.
A cell of a similar structure.
Tissues.
Organs.
Organ system
