1. which one of these is not an example of intracellular communication?

a nerve cell stimulates a muscle cell to contract.

a signal is translated to cause muscle contraction.

a muscle cell action is coordinated.

a muscle cell maintains homeostasis.

2. when non-nerve cells become involved in response to signals, which type of receptor goes into action?

enzyme-linked receptor

ion channel-linked receptor

intracellular receptor

endomembrane receptor

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?