How do the molecules in the first question combine to form molecules of fat? They combine when water molecules (H2O) are removed from them.
They combine when oxygen molecules (O2) are removed from them.
They combine when water molecules (H2O) are added to them.
They combine when oxygen molecules (O2) are added to them

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

How do cells grow and reproduce to maintain homeostasis?

Anonnative species is best described as a species that a. does not normally live in an area b. has no permanent home c. is a poor predator d. increase biodiversity