3. Identify the three parts of cell theory. A) All cells are made up of various chemical compounds including proteins, carbohydrates, and lipids.
B) The cell is the basic unit of structure and function in all living organisms.
C) Living organisms are made up of one or more cells.
D) All matter is composed of chemical elements and compounds.
E) Cells come from the reproduction of preexisting cells.
F) Cells may form spontaneously from inorganic compounds.

What is the compliment dna strand to the following sequence: ttgactaggcta

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?

4. multiple crosses were made between true-breeding lines of black and yellow labrador retrievers. all the f1 progeny were black. when these progeny were intercrossed, they produced an f2 consisting of 91 black, 39 yellow and 30 chocolate. a. propose an explanation for the inheritance of coat color in labradors. b. propose a biochemical pathway for coat color determination and indicate how the relevant genes control coat coloration.