Answer:
Gravity, electricity, and magnetism are considered non-contact forces because they do not physically act on objects.
Explanation:
Gravity, magnetism, and electricity all use fields to act on objects without actually touching them. They can all force objects to move without touching them through these fields.
<u>Answer:</u>
<em>Colchicine is also known as mitotic poison. When it is added the separation of chromosomes of daughter cells are stopped. </em>
<u>Explanation:</u>
This is because the formation of spindle fiber is not allowed in the mitosis phase. Basically it is the process of arresting the mitosis at metaphase to study the chromosomes properly.
The addition of colchicine prevents the chromosomes to move to opposite poles. It makes the cell polyploidy. Hence the of addition of colchicine is the polyploidy of the cell.
The answer would be apples.
<span>hirschsprung disease causes some part of the colon unable to move. This makes it prone to obstruction. Low-residue diet will restrict food that has fiber. The aim of this diet is to reduce the feces produced so it won't obstruct the colon. Fruit like apples has high fiber, so its residue is not low. Grains definitely a bad choice as its fiber is very high.</span>