The approximately 10 million cells in the human body can divide only a certain number of times before they begin to age and stop reproducing, a phenomenon known as the a. hayflick limit. b. calment requirement. c. aging equation. d. generational divide.

The future for teen moms can be compromised due to the demands of parenting.

In the category column, classify the following activities as either health promotion or health protection. if any of these actions fall under both the categories, write both. in the reason column, write down your reason for making each classification.

What is the function of reverse transcriptase in retroviruses? a) it uses viral rna as a template for dna synthesis.b) it converts host cell rna into viral dna.c) it translates viral rna into proteins.d) it uses viral rna as a template for making complementary rna strands.