Why can't humans at a celluar level just pass through walls?

How many copies of genes do gametes have?

Cloning an individual usually produces orangisms that (1) contain dangerous mutations (2) contain identical genes (3) are identical in appearance and behavior (4) produce enzymes different from the parent

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)