Why is there a leading strand and a lagging strand during replication? a. There is only one sliding clamp assembly. b. DNA polymerase only works in one direction. c. The single stranded DNA binding proteins interfere with DNA polymerase on the exposed strand. d. Ligase only operates on one strand at a time.

What is an animal that lives by preying on other animals

Explain the significance of the increased cell specialization of the volvocine line

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.