If cellwall allow everything to the cell than how can we say that cellwall protect the cell?

Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear