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(1) Amoeboid protozoans or sarcodines
They are unicellular, jelly-like protozoa found in fresh or sea water and in moist soil.
(2) Flagellated protozoans or zooflagellates
They are free living, non-photosynthetic flagellates without a cell wall.
(3) Ciliated protozoans or ciliates
They are aquatic individuals that form a large group of protozoa.
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Answer:
Integral membrane proteins are permanently embedded within the plasma membrane. They have a range of important functions. Such functions include channeling or transporting molecules across the membrane. Other integral proteins act as cell receptors
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Answer:
Crossing over is a biological occurrence that happens during meiosis when the paired homologs, or chromosomes of the same type, are lined up. Hope this helps :)
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Answer:
meiosis I
Explanation:
Reduction of the number of sets of chromosomes occurs during meiosis I.
During Meiosis I crossing over of genetic material occurs between chromosome pairs