Which of the following statements about human somatic cells is not true? select one: a. they are haploid. b. they reproduce by mitosis. c. they are more complex than bacterial cells. d. they contain 23 pairs of chromosomes

Which units ate used to measure both velocity and speed? check all that apply

Which group of molecules are targeted by the kinases in order to control this movement

80 points pls 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?