<u>Answer:</u>
Discovery of vaccine for smallpox, viruses and actual organisms that cause many diseases lead to the development of Germ Theory.
<u>Explanation:</u>
- Theory was the 'predominant theory' of 'disease transmission' before germ theory but it is no longer accepted as a 'scientific theory' of diseases.
- 'Formal and reliable experiments' on germs and diseases relationship were 'conducted by Louis Pasteur'.
- He showed that growth of microorganisms was not a spontaneous generation and his pasteurization experiment provided key pieces of evidence that supported germ theory.
The answer to this question would be: on the rough endoplasmic reticulum.
Digestive cell produces many enzymes which were made by protein. Endoplasmic reticulum has a role in protein synthesis. It is important to have many rough endoplasmic reticulum to accommodate the protein synthesis function so that the digestive organ can produce enough enzyme
I think it contains CG which is a strand of DNA
The answer would be (A) Haploid Cells