Which statement is TRUE about cellular respiration?

Which statement about mitochondria is most accurate?:

Music of the Romantic Era

Why do monopolies experience diminishing marginal returns as they increase output?

Microtubules are always assembled with the _____(fill in the blank)____ facing towards the minus end. 

In which of the following industries is marginal cost pricing most likely?

You use genetic engineering to mutate part of the DNA sequence coding for an axonemal dynein in a mouse. What sort of behavior would you expect to see in the epithelial cells of this mutant mouse?

A catfish farmer in a perfectly competitive market:

Demetri is a graduate student studying cell migration. Through genetic engineering, she has created a mutant neutrophil (an immune cell that does a lot of moving around) that does not make profilin protein. When she exposes both her mutant neutrophils and normal neutrophils to a chemoattractant, what do you predict she will see under a microscope?

Describe how cristae in mitochondria are maintained.