Which theory did Pasteur disprove by using boiled beef broth and a flask with S-shaped tubing?

A. Cells came from preexisting cells.
B. Cells make up all living things.
C. Cells are the basic unit of life.
D. Cells came from nonliving things.

D

Explanation:

Pasteur blocked the flask from open air to prove that cells couldn't spontaneously come into life, but rather they must come from preexisting cells.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).