BCH4024 OC SP25 E3 Q2: Dr. Otto Warburg proposed that cancer…

BCH4024 OC SP25 E3 Q2: Dr. Otto Warburg proposed that cancer cells have an altered metabolism, one that is much more reliant on glycolysis for ATP production, which explains their ability to grow and metastasize. In the 80 years since the “Warburg Hypothesis” was presented, we have learned a lot about the biochemistry of cancer. The following 6 questions are focused on these findings. The cancer cell’s increased dependence on glycolysis for its energy needs also implies that which of the following statements must also be true in a cancer cell?

The questions below refer to the following system:   Co(H…

The questions below refer to the following system:   Co(H2O)62+ + 4 Cl– CoCl42– + 6H2O     (pink)            (blue) When cobalt(II) chloride is added to pure water, the Co2+ ions hydrate. The hydrated form then reacts with the Cl– ions to set up the equilibrium shown here. Which statement below describes the change that the system will undergo if silver nitrate is added?

Eight-week old Mohamed presents for his 2-month well visit….

Eight-week old Mohamed presents for his 2-month well visit. Mom is worried about returning to work in a few weeks because Mohamed is still waking 2-3 times per night to feed. The mother asks when she can expect the baby to sleep through the night. Which of the following anticipatory guidance statements is BEST?  

Which of the following media channels exhibits these charact…

Which of the following media channels exhibits these characteristics: effective for emotional appeal; effective for reaching broad consumer audience; research shows that retention is low; ineffective in covering stories requiring depth and detail; bias toward visual stories?

Three-year-old Bobby presents to your office with his father…

Three-year-old Bobby presents to your office with his father for an annual exam. Bobby is new to the practice. Bobby just moved one month ago to live with his father from Arizona due to an emergency change in custody secondary to neglect. Dad reports concerns regarding Bobby’s development. Which concern would warrant referral today?