Why do we care about protecting the bacteria when using aseptic
technique?
A. Plasmid can be passed between bacteria and create a stronger strand.
B. Ribosomes create proteins through protein synthesis that is destroyed when bacteria
are not kept isolated
C. Pili of bacteria allow them to move freely through the environment making them
harder to decontaminate.
D. Nucleoids of bacteria house DNA that easily enters into the human body.

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?