All cells whether they are Prokaryotic or Eukaryotic have a selectively/semi permeable cell membrane that allows certain things into and out of cells but stops others.
True
False

Most of the carbon on earth is stored in the form of

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast