Which statement best describes the structure of a lipid molecule? A phospholipid has a charged head and an uncharged tail.
A lipid is made up of a long chain of phosphorus molecules.
Lipids contain proteins and glycerol.
The ends of the lipid are attached to each other.​

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding. i

A) equal lines b) parallel lines c) perpendicular lines d) none of the above