Chemistry 202: Concepts and Methods by Brad Musinger This textbook goes beyond basic chemistry concepts and provides a more advanced
overview of the subject. In addition to providing information about major concepts in
chemistry, the book covers best practices and procedures for conducting
experiments

the african society basically suffered the consequences of colonization and apartheid directly attacking the black people, first, during the colonialism and its main idea which which "white people" had better rights, affecting   them principally in the right to establish black people in their territories, access to quality education and health services and took away any civil right even to the black people to feel they have the same opportunities as the settlers.

the krebs cycle and electron transport occur in the mitochondria, though other than that i would need to know more information.