When inactive, the alpha subunit of the g-protein is bound to:

Which statement best explains how cellular respiration maintain homeostasis in animals? it maintains body temperature by absorbing energy. it breaks glucose into energy required by the organism. it speeds up metabolism by making oxygen. it produces energy from hormones present in the organism.

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Why do we perceive objects as retaining their brightness under different lighting levels?