Early-onset alzheimer’s disease affects people under the age of 65. less than five percent of people who are diagnosed with alzheimer’s disease have this type. many cases of early-onset alzheimer’s disease are inherited, a type known as familial alzheimer’s disease (fad). which statement is best supported by this information?
f) fad is the result of a genetic change in one or more chromosomes.
g) natural selection will continue to reduce the incidence of fad.
h) fad affects only the genes of middle-aged people.
j) deletion of one amino acid causes fad.

The rate at which molecules water and oxygen can enter a cell is determined by the-

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

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d