Answer:
3/16 is your answer.
Explanation:
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<span>The mammalian sperm cell consists of a head, a midpiece and a tail. The head contains the nucleus with densely coiled chromatin fibres, surrounded anteriorly by an acrosome, which contains enzymes used for penetrating the female egg.</span>
Cells know how to differentiate through a process called gene expression. It’s a specific combination of genes that are turned on and off.
Similar to those performed by the cell organelles in group b
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the tissue in higher plants that constitutes the vascular system, consisting of phloem and xylem, by which water and nutrients are conducted throughout the plant.</span>
