In sedimentary rock from over 2.7 million years ago, the presence of cellular membrane components indicate that at least unicellular life was present in abundance at that time. what biomolecular structure would indicate the presence of a cell enclosed in a membrane in the fossilized rock? a) dna and rna b) lipids and cholesterols c) proteins and nucleic acids d) chloroplasts and mitochondria

its b) lipids and cholesterol

Explanation:

The cell membrane is the wall of the cell which separates the cell inners to the outer environment. Cell membranes are constructed mainly from lipids and protein. The largest percentage of molecules which make up the cell membrane are phospholipids, cholesterol, and protein. 

just here for the other one bc they put up with u

i think its through the fallopian tube