Plant Structure
Which of the following statements about the outer mitochondrial membrane is not true?

The outer membrane is highly permeable to substances of small molecular weight
The outer membrane is about 50% lipid and 50% protein by weight
The outer membrane is impermeable to hydrogen ions
The outer membrane contains porins

ANSWER DOWNLOAD EXAMIANS APP

Plant Structure
Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?

Both strongly resemble prokaryotes, especially in size
Both have their own DNA
Both can live and function independently of the cell
Both have their own ribosomes

ANSWER DOWNLOAD EXAMIANS APP