What does a controlled experiment allow a scientist to isolate and test?

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

Plz ! what does it mean for an allele to be dominant?

Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia