Is all bacteria bad?

question 1 options:

yes, most will get you sick

most bacteria are good as long as there are in the "multi-cellular" form.

most bacteria is actually not very well known.

no, most is good or harmless

The allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these

How can an organ, such as the lungs, work for multiple body systems?