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BIO301 FINAL TERM SOLVED PAST PAPERS
BIO301 FINAL TERM SOLVED PAST PAPERS
See also:
CS201 FINAL TERM SOLVED PAPERS BY WAQAR SIDHU. ENG101 FINAL TERM SOLVED MCQS. CS403 CURRENT FINAL TERM PAPERS. CS101 FINAL TERM SOLVED PAPERS BY MOAAZ MEGA FILE. CS201 FINAL TERM SOLVED PAPERS BY MOAAZ MEGA FILE. CS205 FINAL TERM PAST PAPERS. CS204 FINAL TERM PAST PAPERS. CS301 FINAL TERM SOLVED PAPERS BY MOAAZ. CS304 FINAL TERM SOLVED PAPERS BY MOAAZ. CS311 FINAL TERM SOLVED PAPERS BY MOAAZ. CS401 FINAL TERM SOLVED PAPERS BY MOAAZ
Supports the cell and determines its shape. ceiling interior wall
Most bacteria, but not archaea, have peptidoglycans, a
polymer of amino sugars bound by covalent bonds
A large molecule is formed around the whole cell.
For a few
In bacteria, another layer – the outer membrane (phospholipid membrane containing rich polysaccharides) – is removed from the peptidoglycan layer. Unlike the plasma membrane, it is extracellular
the membrane is not a major barrier to penetration, and some
Its polysaccharides are toxic causes of disease.
a layer of soil that attaches to the cell wall in some bacteria,
composed mostly of polysaccharides and is defined as a
Capsules Some capsules of bacteria can protect them
They infect animals by attacking white blood cells.
The capsule helps to dry the cell, sometimes it helps the bacteria to attach to other cells. Many prokaryotes do not produce any capsules, and those with capsules can survive missing, so there is no capsule.
essential for cell life.
As you will see later in this chapter, eukaryotic plant cells
There is also a cell wall, but it differs in structure and composition from the cell wall of prokaryotes.
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