What is the main function of the Krebs cycle? A. breaking down energy carries
B. producing large numbers of ATP molecules
C. using pyruvate to make energy carriers
D. producing oxygen for use in photosynthesis

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials