The ___________ states that a motor unit does not exert a force gradation—either the impulse elicits an action or it does not.

A high VO2max requires the integrated response of diverse physiologic systems. List 2 non-modifiable factors that influence VO2max. Also, provide 6 endurance training adaptations that occur which contribute to an increase in VO2max.

You knock a glass off the counter but catch the glass before it hits the ground and breaks. Your friend watches the whole thing and says “nice reflexes”. Discuss the reflex response including the neurons involved in the reflex response. (5pts)

Less than 20% of an endurance athletes’ dietary intake should come from lipids to maximize exercise performance.

X Y Z

True or False: When solutes participate in diffusion, they will move from areas of lower concentration to areas of higher concentration.

Active transport moves molecules from areas of    (high or low)    concentration to areas of    (high or low)    concentration. In other words, it goes    (down or against)    the concentration gradient.

All of the following are functions of the smooth ER except:

________________________ is when molecules are secreted out of the cell by the fusion of a vesicle with plasma membranes, whereas ___________________ is when molecules and particles are brought into the cell by forming new vesicles from the plasma membrane.

Which of the following most accurately defines an enzyme?