A botanist wants to study how the amount of water is used when watering
10 pumpkin plant seedlings will affect
the growth of their pumpkins. She
carefully watered each plant with a set
amount of water each day and she
measured the total mass of the
pumpkins harvested at the end of 3
months.

Which of the following are not matched correctly? cd8+: directly destroy infected or cancerous cells t reg cell: reduce the adaptive response once threat passes t l: activate cellular branch (cytotoxic t cells, macrophages, nk cells) t 2: stimulate b cells to make antibodies t (cd4+): mhc i