Question

#50

Which is false concerning competitive inhibition? Alter the Km. Substrate and inhibitor can both bind to the active site. Sulfonamides are competitive inhibitors of PABA (para-aminobenzoic acid). It involves an allosteric enzyme and interaction at the allosteric site. All of the above are true. Which of the following is false concerning obligate aerobes? superoxide dismutase cataloes grow better aerobically examples are members of the genera Mycobacterium, Bacillus, and Pseudomonas all of the above are true Which statement is false about membrane transport processes? Group translocation is a method of sugar transport in bacteria. PEP is the source of energy in a system that phosphorylates sugars as they cross me membrane from outside to inside in group translocation. The major facilitator super family uses proton gradients as the source of energy. ABC transporters use ATP as the source of energy. All of the above arc true. In the growth curve of a bacterial population, the bacteria are most susceptible to antibiotics and other inhibitors in the lag phase. exponential (log) phase. stationary phase. decline phase. susceptibility is the same in all phases. What would be a suitable method for disinfecting expensive medical instruments (e.g., cytoscopes, endoscopes) between patients? Formaldehyde Glutaraldehyde (Cidex) Triclosan Mercury 5% hypochlorite. Which of the following elements is critical for the electron transport process? zinc. iron. manganese. magnesium. none of the above

Answer 1

50) Regarding membrane transport process, all the above mentioned are true.

The answer is option E