2. A Petri dish was filled with agar jelly containing starch. Four holes were cut in the jelly. Each hole was filled with the substances shown in the diagram. distilled water A
amylase and acid B
C amylase solution
boiled amylase D

After 30 minutes, iodine solution was poured over the jelly. Which hole has the largest yellow-brown region surrounding it?

Determine whether the characteristic describe dna replication in prokaryotes only, eukaryotes only, or both prokaryotes and eukaryotes drag each tile to the correct location on the chart

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

A. describe the scientific method, using pasteur's swan-necked flask experiment as an example.