An athlete trains for a weight-lifting event in the olympics. what type of muscle fiber would be the most important for this athlete to develop?
select one:
a. slow twitch, because they contain more mitochondria than fast twitch fibers
b. fast twitch, because they primarily use aerobic respiration
c. fast twitch, because they primarily use lactic acid fermentation
d. slow twitch, because they can contract for long periods of time without fatiguing

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

When in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? view available hint(s)when in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? active transportexocytosis

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.