Answer:
the amount of calcium is variable.
Explanation:
osteoporosis is an illness that is caused by lack of calcium in a person's body.
Answer:
The correct answer to fill in the blank is: transformation.
Explanation:
Transformation is a process that happens to a) cells when they change their phenotypes due to new genetic material, or b) cultured cells that keep having spontaneous phenotypic alterations due to the changes in their DNA.
Transformation can occur because spontaneously, or because of an infection with a transforming virus, gene transfection, exposure to chemical carcinogens or exposure to ionizing radiations.
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One major disadvantage is that your body may build up an immunity to the antibiotic, which means you would not be able to use it in the future. For example, if your doctor prescribes amoxicillin for 6 months, the next time you get sick, you may not be able to use it. <span />
