Below each type of transport,  match the energy requirement. 

We say that ATP generated in cellular respiration is a range, because we don’t know the specific number.

We have said that enzymes speed up chemical reactions. In truth, however, what they actually do is “lower the activation energy” that reactions need. Explain what this means, and how enzymes can perform this function. 

E. coli is a “facultative anaerobe”, meaning without oxygen it cannot do cellular respiration.

Which of the following is associated with the second line of defense? 

Vaccines trigger ________________.

Most of the process of cellular respiration takes place within the mitochondria. 

Which of the following is a type of vaccine? 

In the human body, cartilage is found in _________.

The difference between simple diffusion and active transport is that simple diffusion requires ______________ and active transport requires __________________.