Answer:
Harmful mutations may cause genetic disorders or cancer. A genetic disorder is a disease caused by a mutation in one or a few genes. A human example is cystic fibrosis. A mutation in a single gene causes the body to produce thick, sticky mucus that clogs the lungs and blocks ducts in digestive organs.
Mutations arise spontaneously at low frequency owing to the chemical instability of purine and pyrimidine bases and to errors during DNA replication. Natural exposure of an organism to certain environmental factors, such as ultraviolet light and chemical carcinogens (e.g., aflatoxin B1), also can cause mutations.
only a small percentage of mutations cause genetic disorders—most have no impact on health or development. For example, some mutations alter a gene's DNA sequence but do not change the function of the protein made by the gene.
Answer:
True.
Explanation:
Commercial or formal calls can only be made within a specified period of time and approved by the institution or professional. However, there are certain circumstances that require a call to be made outside of approved times, as it is extremely important that communication between people takes place in non-conventional times. In this case, the call can only be made if a professional or a member of the institution commits to answering the call personally and allows that call to be made, that is, it is necessary that this call be requested.
Q. Stretching that is characterized by a bouncing action is called
A. Ballistic stretching
I believe the answer is A-- The essay is a chance to show your communication skills and provide some information about your strengths.
