A radioactive substance has a decay constant equal to 4.4 x 10-8 s-1. What is the half-life of this substance

State the formula for density in words and mathematical symbols

What must happen before a body cell can begin mitotic cell division

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.