When there has been an error in copying a DNA, a DNA repair gene fixes its mistakes. However, a person having an error in his DNA repair gene (which are not corrected), it may lead to gene mutations with the possibility of leading to cancer. The mutations of DNA repair gene can possibly be inherited or acquired.
D a change in color of a subtance
A) single loop
Fish have a two-chambered heart in which a single-loop circulatory pattern takes blood from the heart to the gills and then to the body.
The Cell Membrane<span>. All living cells and many of the tiny organelles internal to cells are bounded by thin </span>membranes<span>. These </span>membranes<span> are </span>composed<span> primarily of phospholipids and proteins and are typically described as phospholipid bi-layers.
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the stomata are mostly found on the under surface of plant leaves
