Which macromolecule is an enzyme? ProteinDefine Active site:Define Substrate:Define Denature:Which test tube had the most bubbles? Why??What gas produced these bubbles?Do denatured enzymes work well? Why or why not? They do not work because they are destroyedWhat causes an enzyme to become denatured? Heat acid base etc

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%

Which material is commonly used as a culture medium for living cells

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.