It involve both experimentation and repeated observations
Answer:
B. Protein is composed of DNA which is produced in the cell
Explanation:
Because gametes (sex cells) are the only cells that pass along genetic information. Somatic cells are the cells that have already differentiated into various organs or tissues. They can't pass on a mutation to offspring because they're not involved in creating it.
The answer is D. They fuse during sexual reproduction
B. 6CO2 + 6H2O ------> C6H12O6 + 6O2
I hope I helped!
