26. At high temperatures these elements conduct electricity but at lower temperatures they do not conduct electricity. This makes them useful in electronic devices. What are these elements? explain answer

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

How do dying stars contribute to the formation of planets

Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors