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Hatshy [7]
3 years ago
13

How many organelles are in plant cells? please list them. :)

Biology
1 answer:
Murrr4er [49]3 years ago
4 0
There are 11 organelles in total, 
vacuoles: they store water
Chloroplasts: trap energy from the sun to produce food for plant cell
Cell wall: provides support and protection to the cell membrane, 
Cell membrane: thin flexible barrier around a cell, controls what enters/ leaves the cell
Nucleus: 'The control center', carries the DNA of the cell
Ribosomes: Found in all cells, their jobs are to make protein 
Endoplasmic Reticulum: The internal delivery system of the cell
Golgi complex: Transports materials throughout the cell
Lysosomes: Break down food into particles the cell can use. another function is they destroy old or dying cells 
Mitochondria: Breaks down food to make ATP 
and last but not least cytoplasm a jelly like fluid in the cell that keeps the organelles suspended 
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Answer:

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3.B cells rearrange their DNA to create a unique B-cell receptor.  

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B-cells get activated by interacting with helper T cells when they bind to the antigen to receptors i.e (MHC class II receptors on the cell surface) on the surface of the cell. Series of activities such as release by plasma cells which cause rearrangement of B cells causes the cell to divide and proliferate. The process through which daughter cells arise from a parent cell called clonal expansion.

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