Answer:
you run the risk of crushing the objective lens onto the slides.
C. Commensalism
"An association between two organisms in which one benefits and the other derives neither benefit nor harm."
1. sewage system - facility consisting of a system of sewers for carrying off liquid and solid sewage. sewage works, sewer system. facility, installation - a building or place that provides a particular service or is used for a particular industry; "the assembly plant is an enormous facility"
DNA ligase is like the glue that pieces together DNA. DNA polymerase "unzips" the DNA helix in DNA replication.
LIPIDS are a large and varied groups of molecules that are usually not soluble in water.
