Pyruvic acid enters and carbon dioxide exits.
The Cell membrane.
controls what enters and exits membrane by using proteins
stoma/stomata
They control what enters and exits the cell :)
the cell membrane.
Carbon enters a consumer contained in the complex molecules of the food the consumer eats. Carbon exits the consumer as a gas called Carbon Dioxide - which is usually breathed out.
the bladder
The Cell membrane.
The cell membrane
THEY DON'T.
Stomata.
controls what enters and exits membrane by using proteins
stoma/stomata
anywhere anyhow anyway anywhen head
The cell membrane controls what enters and exits a cell.
the cell membrane.
They control what enters and exits the cell :)