A Coke has a pH of about 3.5. This means that it has many more hydrogen ions than the same amount of water and would therefore, be considered a(n) __________.

The nurse is caring for an infant admitted to the hospital with pertussis. Which of the following should be included in the plan of care? (Select all that apply)

Graphs are a great way to summarize data and explain biological principles. Refer to the graph below to answer the following questions.  A. According to the graph below, what is the optimal pH for the enzyme pepsin?  Explain how you know this. B. What happens to rate of the reaction when pH is above or below the optimal range?  C. Explain specifically why the reaction rate changes this way. 

_____________ contain photosynthetic pigments, like chlorophyll, that absorb solar energy.

True or False: Fermentation doesn’t produce as much ATP as aerobic cellular respiration. 

True or False: Plants use aerobic cellular respiration to produce ATP. 

A(n) ______________ occurs when there is a complete transfer of electrons between atoms creating opposite charges that hold the atoms together. 

Some proteins lose their function when exposed to heat. What concept explains this?

Refer to photo below to answer the following questions.  A. How many protons does carbon have? Explain how you know this. B. If carbon is electrically neutral, how many electrons does carbon have? Explain your reasoning. C. How many valence electrons does carbon have?

__________ bonds can be polar or non-polar.