One of these muscles originates on the superior iliac spine and one originates on the inferior iliac spine. Which one originates on the superior iliac spine? (Hint: has to do with comparative lengths.)

The maximum number of organisms that an ecosystem can sustain, without producing any damage to it, is called the

Which of these proteins is made up of globular subunits that combine to form a helix, and have binding sites on the subunits?

Rigor mortis occurs because 

Rigor mortis occurs because 

The parasympathetic and sympathetic branches are part of the

Which of these proteins is made up of globular subunits that combine to form a helix, and have binding sites on the subunits?

Antidepressants such as Prozac act to increase the effects of

What number indicates actin?

The kinds of peripheral neurons that are responsible for involuntary responses to extreme danger or stress are the