The activation of helper T cells is likely Group of answer choices in the bone marrow during the self-tolerance test. when an antigen is displayed by a dendritic cell. when B cells respond to T -independent antigens. when natural killer (NK) cells come in contact with a tumor cell. when a cytotoxic T cell releases cytokines.

they are c. hope this !

the way that the mass of carbon can be conserved through cellular respiration is through a process/law called the law of conservation of mass which even tho it undergoes a process, mass is not be destroyed or changed

answer by yourhope:

hi! : )

in which structure in the nucleus are ribosomes made?

b) nucleolus!

: )

the sphincter muscles at the end of the digestive tract is the anus.