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Biology
Unit 1: Cells, exchange and transport
Module 1: Cells and living processes

Characteristics of living things

MRSNERG
Movement, respiration, sensitivity, nutrition, excretion,
reproduction, growth
Some bacteria do not respire ­ use other chemical reactions to
obtain energy

Organelles and ultrastructure

Ultrastructure (fine structure) ­ the detailed structure of the…

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Biology
Unit 1: Cells, exchange and transport
Module 1: Cells and living processes


Flagella (undulipodia) and cilia

In eukaryotes flagella (undulipodia) and cilia are structurally the
same
Hair-like extensions which stick out from the surface of cells
Each made up of a cylinder containing 9 microtubules arranged in a
circle…

Page 3

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Biology
Unit 1: Cells, exchange and transport
Module 1: Cells and living processes


Vesicles and vacuoles

Vesicles ­ membrane-bound sacs found in cells ­ used to carry
many different substances around cells
In plant cells, large cell vacuole maintains cell stability ­ filled with
water + solutes so pushes cytoplasm…

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