Atheory is a well tested, widely accepted explanation that combines several observations and hypothesis. a law is a statement about how something behaves or functions in the natural world. a law cannot be changed or replicated, and it is a factual statement. theories are based on repeated experiments and experimental methods change. sometimes these new methods provide new information and theories are changed or replaced.

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening

2. which is the last step in the scientific method?

What organ is the first to receive nutrients that have been absorbed from the digestive tract?