Thin, flexible barrier around a cell; regulates what enters and leaves the cell
- contains the cytoplasm (all interior cell organelles and the cytosol) - allowing the chemical reactions in the cell to occur
<span>- semipermeable (or selectively permeable) - allows certain substances in, keeps others out </span>
<span>- offers limited protection</span>
It is an answer of scientific questions and is based mostly on research
B
Because virus do contain genetic material and duh they make people sick and yes they are made of more than one cell
It is an animal that has very little control of their body temperature. they rely on environmental heat sources to keep warm.
