When a neuromodulator slows the reuptake of a neurotransmitter or causes expression of an increased number of receptors on postsynaptic neurons, the effect is called

The bony bars, or rods, that make up spongy bone are called

An individual water molecule contains ______ atoms and enters into ______ hydrogen bonds with other water molecules.

Which of the following is not lined by nonkeratinized stratified squamous epithelium?

What is the function of cartilage located in the epiphyseal plates?

The movement of glucose across a plasma membrane is achieved by

To prevent depletion of a substrate, the product of a metabolic pathway will

The anatomic term for the cheek is

  This figure illustrates the microscopic anatomy of spongy bone. What bone feature does number 4 indicate?

Amino acids such as alanine contain hydrocarbons as side groups, and these amino acids engage in hydrophobic interactions with each other. Such amino acids are