20 chromosomes because unfertilised eggs contains half the number of bodily chromosomes
<span>At the end of prophase , nuclear membrane , nucleolus and all the cell organelles disappears and there is no distinction between the nucleoplasm and cytoplasm</span>
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What if xylem were only located in the roots and stems, would fluids still move? No because xylem have stoma that enables transpiration to happen. If you remove xylem, you've removed that "vacuum" that pulls that water upward
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