This summary worksheet is directly inspired by the detailed notes found in The Answer Series IEB 3-in-1 Grade 11 Book. It is carefully designed to help Grade 11 learners master the essential concepts of bacteria with clarity and ease.
What You'll Learn:
Key details on the structure of bacteri...
1. Bacteria are the _______________________and ______________________living
organisms.
2. Bacteria are classified under the kingdom _______________.
3. Bacteria occur in almost any imaginable ________________ on Earth.
4. Some bacteria live in the presence of ________________ and are known as
_____________ bacteria, while others live in the absence of _________ and are
known ______________bacteria.
5. Some bacteria are _____________ and cause diseases such as
________________, _______________________ and ________________.
BASIC STRUCTURE OF BACTERIA
1. Bacteria are _________ and occur as _________ cells, _____________ or
___________.
2. The bacterium cell is surrounded by a ______ __________ that consists of
_______________(carbohydrates), ______________ and __________.
3. In some bacteria (especially those that cause diseases), the cell wall is
surrounded by a _________. _________or ________, which protects the
bacterial cell from __________and ___________ (i.e. __________cells).
4. A ___________ __________ (cell membrane) which encloses the
______________, occurs directly below the _____ ______.
5. The ________________ has no ____________-__________ organelles, such as
__________, ____________, _____________ or _______, but ______________ do
occur.
6. A __________ nucleus (__________-________) is absent.
7. _____________ material (DNA) is concentrated in a chromatin body known
as the ___________.
8. Some bacteria move in liquid by means of long, thread-like structures
called ________________.
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