You are observing the reaction of a plant cell to a salt water solution using a compound light microscope. after a few minutes, you notice that the cytoplasm and cellular contents seem to be shrinking inward away from the cell wall in a manner like that shown below. which of the following processes is occurring in the plant cell? a. osmosis b. passive transport c. turgor pressure d. plasmolysis

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled

What enzyme is most important for dna replication and why?

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?