Which of these is a likely result of a beneficial or helpful mutation? А
The changes to a gene are neutral.
B
The shape of a protein is not changed by the mutation
An organism is able to better withstand a toxin
D
An organism is less likely to survive and reproduce.

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.