Why do enzymes act as catalysts?

they maintain activation energy

they raise the activation energy

they lower the activation energy

they use activation energy

What is the current state of human population and what do you think is the future of human population?

What would happen to the rock dwelling lizards if all the rocks were removed from the desert ecosystem

Which process shows weathering?

What is the function of the nucleus?

What is the difference between co-dominance and incomplete dominance? A. Co-dominant traits are blended and incompletely dominant traits appear together B. Co-dominant traits are recessive and incompletely dominant traits appear together C.

What is the summary of this section of we need batteries

A patient with single lung transplantation has a body temperature of 99° f, fatigue, shortness of breath, and an oxygen saturation level of 80 percent. which treatment may comfort this patient?

Which of these describes the Gulf Stream? A. A coral reef in the Pacific Ocean B. A sea floor trench in the Atlantic Ocean C. A strong current of warm water D. An upwelling of water at the poles

Which is true of the course of ADHD? Many adults have ADHD but were never been diagnosed in childhood. The majority of children with ADHD outgrow their problems before adolescence. Signs of ADHD are unlikely to be present before the age of two.

Respond to the following based on your reading. What's the difference between an ionic bond and a covalent bond?