The correct answer to this question is "Including a control group that did not receive the supplement." This is the change in this study that would do the most to increase Reynaldo's confidence that sound scientific practices were followed. It would help them distinguish the effect of the drug and other factors which might have influenced the study. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
Answer:
carbohydrates: apple, celery, potato
protein: steak, avacado, egg
lipids: olive oil
nucleic acid:
Explanation:
Answer:
commonly speaking precipitation, sometimes runoff from slides and stuff or even seepage
Explanation:
Answer:
Phagocytosis
Explanation:
Phagocytosis involves the feeding on solid food materials by individual cells. It is carried out by protozoa such as amoeba. When an amoeba approaches the microorganism, several finger-like projections called pseudopodia are formed that enclose the food forming food vacuole.