During what phase of mitosis are the sister chromatids first visible?

How many cellular divisions occur during meiosis?

Mitosis includes no pairing of homologs.

The Calvin cycle take place in the

A solvent is the dissolved solid in a solution. 

The sum of the chemical reactions in a cell constitutes 

If there are twelve different intermediate products produced in the stages of a metabolic pathway within a cell, we can expect that there 

What does stroma refer to? 

Form of genetic material found during interphase is

During which phase of mitosis do the chromatids uncoil?