Cells
Cells are the basic building blocks of tissues. All cells experience changes with aging. They become larger and are less able to divide and multiply. Among other changes, there is an increase in pigments and fatty substances<span> inside the cell (lipids).</span>
Answer:
In synapsis, the genes on the chromatids of the homologous chromosomes are precisely aligned with each other. An exchange of chromosome segments
Explanation:
The Noble Gases. The Noble Gases is a(n) group on the periodic table of elements that contains elements that have full valence electron shells. Because of this, the Noble Gases do not react with any other elements.