Exam 2 Practice: BIO 160
The movement of electrons through the ETC of mitochondria leads to
Accumulation of protons inside of the cristae and formation of water
Which of the following does NOT happen in noncyclic photosynthetic electron transport
CO2 reacts with RubiBP
Which term most precisely describes the cellular process of breaking down large molecules into smaller ones?
Catabolism (catabolic pathways)
Fermentation
Does not require O2
You have discovered an enzyme that can catalyze two different chemical reactions. Which of the following is most likely to be correct?
Either the enzyme has two distinct active sites or the reactants involved in the two are very similar in size and shape.
Which of the following statements is a logical consequence of the second law of thermodynamics?
Every chemical reaction must increase the total entropy of the universe.
Which statement about pyruvate is NOT true?
It contains 6 carbon atoms
What is true about pyruvate?
It is the end product of glycolysis, it becomes reduced during fermentation, and it is a precursor of acetyl co-A
When white light strikes a green pigment, green light is
Scattered or transmitted
Glycolysis
Takes place in the mitochondria
Which of the following is TRUE when comparing an uncatalyzed reaction to the same reaction with a catalyst?
The catalyzed reaction will have the same ∆G.
Which statement about the Calvin cycle is NOT true
The concentration of 3Pg rises if the light is switched off.
The role of oxygen gas in our cells is to:
accept electrons from the respiratory chain