Streptococcus pneumoniae is one of the leading causes of community-acquired pneumonia and is particularly problematic in older adults. One reason for its pathogenicity is its ability to avoid phagocytosis by host leukocytes. This is accomplished through the production of a that surrounds the cell.

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.