True or false? dna replication occurs simultaneously at many sites along the molecule speeding up the process of replication.

What would be the most likely result if the ph of the stomach were increased to 5

Explain why scientists use the word dominant for certain traits.

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.