Why is the temporomandibular joint considered to be a second-class lever?
A. The force is in the middle.
B. The resistance is in the middle.
C. The fulcrum is in the middle.
D. It has a mechanical advantage of 1.0 or less.
E. The effort arm is longer than the resistance arm.
B. The resistance is in the middle.
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Which domain of intracellular receptors binds to responsive elements in the nucleus?
A) DNA-binding domain B) Transactivation domain C) Ligand-binding domain D) Membrane-binding domain
Answer the following statements true (T) or false (F)
1. Damage to a receptor on the cell membrane would make it more difficult for a cell to respond to a steroid hormone. 2. The “lock and key” model applies only to the functioning of nonsteroid hormones. 3. Researchers believe that prostaglandins influence the production of ATP in the cell. 4. The neurohypophysis produces about twice as many hormones as the adenohypophysis. 5. The hypothalamus produces substances that function as tropic hormones.
The fluid-filled cavity separating the inner cell mass from the trophoblast is the
A) amniotic cavity. B) blastocoele. C) epiblast. D) lacuna. E) hypoblast.
Which hormone increases protein catabolism and blood glucose levels and is an anti-inflammatory?
a. gluconeogenesis b. epinephrine c. aldosterone d. corticosterone e. glucagon