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What is the primary role of a G protein-coupled receptor (GPCR) in cell signaling?   [Alignment note: This is a concept question testing the GPCR’s function in signal transduction pathways. LO7A and B are tested.]

According to the induced-fit model, why does an enzyme change shape slightly after the substrate binds?   [Note: related to enzyme concepts for LO8-D]

Which of the following correctly illustrates the cell communication process?    [Note:  this is a recall in LO7. Relate this question to LO7-A]

Evaluate the following 2 reactions: Reaction 1: Glucose is broken down into CO₂ and H₂O, releasing energy. Reaction 2: Amino acids are joined together to form a protein, requiring an input of energy. Which statement correctly describes these reactions?   [Note: related to energy concept for LO8-B]

The most common cause of meningitis in children under 4 years of age is

Infection by which of the following results in the formation of Ghon complexes in the lung

Newborns’ eyes are treated with an antibiotic when

Complete the following table for 3 different diseases we discussed in class. You can answer in text in the text box below. The table is to see what answers are expected. This is a 20-point question, so be detailed in your responses.   Bacterial Viral Protozoan/Helminth/Fungal Disease Name         Causitive Agent         Prominent Presentation (Signs/Symptoms)           Epidemiology           Pathology           Virulence Factors           Prevention      

Plague is

How does the toxin produced by Clostridium tetani work?