When the atrioventricular valves open.
This is when Ventricles are being filled with blood from the atrium.
The right answer is False.
An example of the degradates are the metabolites of the substances ingested.
Some chemicals in the environment enter the body and are unchanged when they are eliminated. Others are degrading. Degradation products may be more toxic or less toxic than the original chemical. Other chemicals are stored temporarily in the organs and are eliminated soon after. After a while, most chemicals and degradation products are disposed of as body waste, in the stool, urine, sweat and exhaled air.
Coming up with the theory of evolution
Answer:
This is a slightly vague question because there are many reasons why DNA can be damaged and determining which organelle was at fault is generally a case by case matter. but the only part of a cell that you could considered to be tasked with protecting genetic material is the nuclear envelope which is simply a phospholipid bilayer surrounding the nucleus and/or the nucleolus so I would say the answer is the nuclear membrane and/or nuclear envelope.
