The ethanol and bon dioxide produced during alcohol fermentation come from O NADH + H+
glucose
O pyruvate
O maltose
O lactic acid

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain