Did both sprigs of anacharis produce oxygen? which produced the most? what is demonstrated as necessary by this experiment for photosynthesis to occur? what factor affected the rate in which photosynthesis occurred?

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.