Download Ribosome and Endoplasmic Reticulum

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Transcript
What is a
Ribosome?
A Ribosome is a cluster of
proteins and nucleic acids that
constructs proteins in a cell.
They are found in the
cytoplasm of a cell or on the
endoplasmic reticulum and in
both animal and plant cells.
Endoplasmic reticulum is a network of
membranes within a cell’s cytoplasm
that produce a variety of molecules. It
is found in both animal and plant
cells.
Structure
Ribosome:
:
consists of two subunits (a smaller and
larger subunit) each of which
contains RNA and proteins
Endoplasmic Reticulum:
•Smooth ER- looks like tubes and it acts as
a storage organelle.
•Rough ER- looks very bumpy and has
ribosomes attached to it. They are very
important in the synthesis and packaging
of proteins.
Functions:
Ribosome:
They are responsible for organizing
and assembling amino acids to form
proteins.
Endoplasmic Reticulum:
Creates a variety of different
molecules and operates as a
transport system.