why dies yeast make bread rise. this questin is for my biology paper, would really appreciate the help u can give me. thank you

-- Anonymous, May 29, 2001

Answers

It gives off Carbon Dioxide as a biproduct.

-- Anonymous, June 02, 2001

this is the reaction: GLUCOSE=ETHANOL+CARBON DIOXIDE yeast respires anaerobically. This means it doesn't use oxygen when it respires. Yeast cells live as singulaar cells. They are called saccharomyces which means 'sugar fungi'.

-- Anonymous, June 05, 2001