Heterotrophic organisms used the process of fermentation to nourish. what is fermentation?
a) it is a chemical process that requires oxygen.
b) it is a chemical process in which sugar molasses is ingested.
c) it is a chemical process which enables heterotrophs to obtain energy without oxygen.

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.