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.

Vegetation that grows along the floors of tropical and temperate forests is called undergrowth. how is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest? a. a tropical rain forest's undergrowth most likely experiences periods of dormancy during colder weather. b. a tropical rain forest's undergrowth most likely experiences periods of dormancy during rainy weather. c. the undergrowth of a tropical rain forest most likely requires less sunlight. d. the undergrowth of a tropical rain forest most likely requires more sunlight.

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables