4.2 Ribosomes and Inclusion Bodies Flashcards
In prokaryotes, Ribosomes are associated with the ______ of cells.
Plasma membrane
The average size of a prokaryotic ribosome is
15 nm by 20 nm
____ and ____ subunits of prokaryotic ribosomes together form ______.
30S and 50S; 70S
Ribosomes are the site of
Protein synthesis
Several ribosomes may attach to ______ and form a chain called _____.
mRNA; Polyribosomes or polysome
The ribosomes of a polysome translate the ___ into __.
mRNA into proteins
Polysome indicates the synthesis of identical ______ in multiple copies.
Polypeptide
Reserve material in prokaryotic cells is stored in the form of
Inclusion bodies
Inclusion Bodies are bound by any membrane system.
T/F
False
Hence, Inclusion bodies lie free in cytoplasm.
T/F
True
Examples of Inclusion bodies are:
I. Phosphate Granules,
II. Cyanophycean Granules
III. Glycogen Granules.
______ are types of Inclusion bodies that provide buoyancy to Bacteria.
Gas Vacuoles;
Gas vacuoles found in:
Blue-green, purple, and green photosynthesis bacteria