Scientists found that the runners in the test who sprinted the slowest had no ACTN3 protein molecules in their bodies. Do you think that this evidence shows that the ACTN3 protein determines running ability?

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?

Several billion years ago which gas was the least prevailant in the atmosphere

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.