Describe the structure of a female cone in a plant.

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast

How are fossils most commonly formed

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