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There are two major classes of hormones 1. Proteins, Peptides, and modified amino acids 2. Steroids. In general, steroids are sex hormones related to sexual maturation and fertility.
Explanation:
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<u>Red blood cell in humans -</u> it has no nucleus. Hence it offers the cell to carry more haemoglobin.
- they are disc shaped allowing them to pass through narrow capillaries.
<u>Root hair cells in plants-</u> they have a large cytoplasm which enables them to take water from the soil.
<u>White Blood Cells in humans -</u> they have lobed nucleus and so can change their shape to pass through narrow capillaries.
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<span>worst thing that can happen in the modern environmentalism according to Jones is that how people treat will respond to you based on your color and status. People think that you are stupid because you are poor, that's why the amount of help that poor people receive if there's a disaster is very limited.
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11. Centrioles, asters, and spindles are mitotic structures responsible for pulling apart the sister chromatids.
12.The centriole
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