1. ATP (adenosine triphosphate) has been called the energy currency of the cell. Briefly outline the cycle by which energy is stored in and released from ATP. Explain the importance of the phosphate bond to this series of processes. Be prepared to discuss how ATP is critically important to cellular […]

A rather tame ltxnsp wasrecently found on Easter Island by a retired neurophysiologist. Hereported the following measurements of ECF and ICF concentrations(in millimoles): ICF ECFPr+ 0 150Na+ 100 10K+ 10 100Cl- 109 250HCO3- 1 10 He determined that the rising phase of the action potential in ltxnsp neurons was due […]

Q1. What is the connection between an increase in light intensity and photosynthetic rate in leaves from a corn plant? How does this relationship compare with what you observed for tomato plants? Q2. Suppose that after washing your hands, you leave 10 bacterial cells on a bar of soap. You […]

Studies conducted with a lysozome mutant that contains an Asp->Asn change at position 52 and a Glu->Gln change at position 35 exhibited almost a complete loss in emzymatic activity. What is the most likely explanation for the decrease in emzyme activity in the mutant? a. increased affinity for substrate b. […]