Which is not part of the cell theory? a) all cells come from existing cells. b) microscopic organisms are not made of cells. c) all living things are made of one or more cells. d) cells are the basic unit of structure and function in living things

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

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.

10. which person would be the least effective host for a pathogen? an older person a young athlete a smoker a sick person