Explain what occurs during the krebs (citric acid cycle and electron transport chain by describing the following: (a) the location of the krebs cycle and electron transport chain in mitochondria; (b) the cyclic nature of the reactions in the krebs cycle; (c) the production of atp and reduced coenzymes during the cycle; and (d) the chemiosmotic production of atp during electron transport.

Me brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula.5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects.8. describe the planets’ orbits around the sun.9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets.13. what causes the seasons?