How do tetrads differ from sarcinae?
O the tetrad is only observed infryalli and the sarcinae in coccobacilli.
O the tetrad only appears during reproduction and the sarcinae during dormancy.
O the tetrad forms flattened sets of four and the sarcinae form 3-D packets of eight.
O the tetrad forms flattened sets of two and the sarcinae form 3-D packets of six.