Which cells in the body are thought to remain in the g0 phase during the cells' life cycle?
a) neurons in the brain
b) vesicles in the heart
c) marrow in the bone
d) red blood cells

Which is the correct formula for photosynthesis

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian

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