Most cells in the body of an adult human lack the telomerase enzyme because its gene is turned off and thus not expressed. an important step in the conversion of a normal cell into a cancer cell, which circumvents normal growth control, is the resumption of telomerase expression. explain why telomerase might be necessary for the ability of cancer cells to divide over and over again.

b because they naturally adapt to their environment plz mark brainliest

explanation:

not too sure but maybe in the hot springs.

c should be the answer

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive