A couple limitations could be human variability meaning each human is a little bit different from the last. there could be a lot of other factors impacting your outcome.
Also, the risk of losing a life. For example it is more risky to conduct a research on if saturated fats give you cardiovascular disease on humans then it would be to conduct this research on rats.
No they're not all the same size some are big and some are small
Explanation:
The function of the cell membrane is to protect the organelles that break down proteins and nutrients.
It is semi-permeable which means it takes in select nutrients and excretes cell waste into the bloodstream.
Answer:
a, d, b, c, a, c, d, b, a, d,
Explanation:
Answer:
Ribosomes are produced by the nucleus. Specifically, the nucleolus.
Explanation:
