So they can match data together, or confirm different findings with more opinions.
Answer:
a longitudinal design
Explanation:
Longitudinal study: This is an observational method of research, that gathers data from the same participants frequently or repeatedly over a while. This research can take plenty of time, and it can extend over months, years or decades. Also known as a panel study or longitudinal survey.
Types of longitudinal studies:
1. Panel Study.
2. Cohort Study.
Answer:
2. Secretion of antibodies.
Explanation:
A cell that has a large endoplasmic reticulas and Golgi aparatus, is often used to secretion of antibodies, in order to keep them in the cell and then secrate the antibodies necessaries for the body.
