What happens to the activation energy when an enzyme is present?

Which type of cell is capable of self-renewal? O stem cell O blood cell O muscle cell O neuron

Does a human have plant or animal cells

An entomologist would most likely be most interested in finding- A) weapons for an evolutionary arms race w / disease causing organisms B) a universal tree of life C) weather patterns that affect life on earth D) genetic codes to rewrite

What is the effect of gases being trapped in the atmosphere

In addition to water and carbon dioxide, photosynthesis requires A. Light and chlorophyll B. Oxygen and sugars C. Sugars and light D. Chlorophyll and oxygen

Blood clots form using which of the following components? Check all that apply. fibrin platelets blood clotting factors blood cells

Marys mother bought some beautiful blue flowering plants. she took very good care of the plants. she watered them, fertilized them regularly, and added lime to the soil to raise the pH from acidic to basic.

Which is an example of a behavioral adaptation? Birds migrating in the winter a ducks's webbed feet a polar bears thick fur a gazelle's ability to run fast

Which of the following is a synapomorphy linking dinosaurs and birds? a. Loss of teeth b. Furcula c. Small size d. Endothermy

What is the term used for the situation when a body rotation and it's revolution take the same time