90 POINTS PLEASE HELP ANSWER IT ALL PLEASE
Practice: DNA Structure and Replication
1. Label each part of the model to the right. Include specific nitrogen base pairs
in your labeling
2. What molecule is it?
3. What is its purpose?
4. Where can it be found in a prokaryotic cell?
5. Where can it be found in a eukaryotic cell?
6. It gets copied during a process called replication. When does this happen?
7. What is the result of DNA replication?
8. Why is DNA replication necessary?
9. Why is DNA replication said to be semi-conservative? Draw a picture to support your answer.

Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. according to the law of independent assortment, alleles for each gene are inherited together so that they always stay together. according to the law of independent assortment, offspring express a combination of their parents' traits. according to the law of independent assortment, alleles for a characteristic split during meiosis and combine during fertilization. true according to the law of independent assortment, alleles for each gene are inherited independently so that no two alleles stay together.

What is the name of the type of cell division that occurs in the prokaryotic cell cycle

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?