In an experiment, the enzyme lactase is added to milk in a test tube. the products obtained are glucose and galactose. which of these correctly explains the function of the enzyme in this reaction?
a) the enzyme molecules collide with the substrate and break it into simpler products.
b) the enzyme has active sites where the substrate binds with the enzyme to form a complex.
eliminate
c) the substrate binds at the non-active sites of the enzyme, where it is broken down into simpler compounds.
d) the substrate breaks the bonds of the enzyme, resulting in the formation of simpler products.

Select all the true statements about the cosmic microwave background radiation

Antoine manages a number of apartment buildings that use natural gas for heating, cooking, and laundry. the scatter plot shows the correlation between the outside air temperature and antoine's natural gas bill. which type of correlation does the plot illustrate?

20 point pls brianliest 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?