Which of the following would cause an error in DNA replication? O A. DNA polymerase pairing A with G
B. Helicase making a replication fork
C. DNA polymerase checking the DNA
O D. DNA ligase connecting chunks of DNA

In which of the following relationships is one organism always benefited while the other organism is always harmed

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?