"A gene doesn't want anything and there's no outside mechanism that selects which genes are best to preserve." Explain this idea in the space below in your own words.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

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.

18. how do the cells in meiosis differ from the cells in mitosis?