Q1. If muscles biopsies were taken from the legs of a world-class marathon runner and a typical couch potato, which would you expect to have a higher density of mitochondria? Why? What about the muscle biopsy from the biceps of a weight lifter. Q2. What is the dissimilarity between germline […]

1. What specializations are found in tonsils to trap pathogens that might be inhaled or ingested? 2. Lymph enters a lymph node through the Blank 1 lymphatic vessels, flows through the Blank 2 sinus, into the Blank 3 and Blank 4 sinuses, finally leaving the node through the Blank 5 […]

1. A population of Madagascar hissing cockroaches lives in a woodpile. It suffers heavy predation from lizards, which pull the roaches out of their hiding places. The largest adults are not able to fit into most of the cracks in the wood, and are hunted down mercilessly, and the smallest […]

Phenol Red (PR) Broth is a differential test medium prepared as a base to which a carbohydrates is added. Included in the base medium are peptone and the pH indicator phenol red. We will inoculate PR Glucose Broths with three organisms to determine their fermentation characteristics. Q1. Suppose you innoculate […]