An ionic bond can be formed after two or more atoms loss or gain electrons to form an ion. Ionic bonds occur between metals, losing electrons, and nonmetals, gaining electrons. Ions with opposite charges will attract one another creating an ionic bond.
Answer:
B) expression of inappropriate gene products
Explanation:
Most of the cancers are caused when a normal gene that code for one or other proteins involved in the regulation of the cell cycle is mutated. The mutated gene may cause the production of the faulty gene products. For example, the overproduction of products of the protooncogene that push cells through the cell cycle leads to tumor formation. Likewise, when the tumor suppressor genes are not able to produce enough product to prevent progression through the cell cycle, cancer may develop.
Answer:
Birth is an example of a normally occurring positive-feedback mechanism.
<span><u>B. setting a clear goal for the future </u></span>
Answer:
The skeletal system and the muscular system
Explanation:
our organs and provides fatme to help the body keep its shape .It also stores important substance such as WBCs to give it strength.