Amutation in yeast makes it unable to convert pyruvate to ethanol. how will this mutation affect these yeast cells? a. the mutant yeast will be unable to grow anaerobically. b. the mutant yeast will grow anaerobically only when given glucose. c. the mutant yeast will be unable to metabolize glucose. d. the mutant yeast will die because they cannot regenerate nad+ from nad.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

One of the reasons that stars are so large is because

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?