Answer : horse mare and a donkey jack hybrid of both
Explanation:
I think the cytoskeletal protein that helps a cell maintain its shape is actin.
DNA is a double helix composed of nitrogenous bases, which form hydrogen bonds with each other. It also contains a deoxyribose sugar and phosphate backbone.
A person with a cold can spread<span> the infection by coughing and/or sneezing. </span>Bacteria <span>or viruses </span>can<span> be passed on by touching or shaking hands with another person. Touching food with dirty hands will also allow viruses or </span>bacteria<span> from the intestine to </span><span>spread</span>
If the membrane of a cell were no longer selectively permeable then "<span>The cell would die as it would not be able to regulate which substances could enter and leave", since a selectively permeable membrane allows both things to enter and leave for the cell's survival. </span>
