Pre-lab questions what is a model organism, and why is saccharomyces cerevisiae so often used as one? research and discuss the properties of mold that make them sometimes beneficial to humans, and sometimes potentially harmful. parasitic helminths are a major cause of disease in undeveloped countries around the world. discuss the role that microbiologists can and have played in to reduce the number of infections caused by parasitic helminths as well as diagnoses and treatments.

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

prism b but im not for sure

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.