Generic term for any building block molecule

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.