I have the following microorganism and I need to make a dichotomous key and use tests to break them up. I don't know what the best test is. - Bacillus subtilis
- Bacillus megaterium
- Clostridium Sporogens
- Corinebaterium xerosis
- Geobacillus stearothermophilus

Please help.

Identify the missing parts of the carbon cycle

If a cell is placed into a hypertonic environment,what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge

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.