Nonliving biological agents that are only able to reproduce inside of a host cell are referred to as: Group of answer choices

bacteria

viruses

parasites

protists

Isotopes of the same element have differ in their

Answer questions from exploring further

Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.