Which of the following areas of investigation is considered a major driver of modern microbiology?
A. microbial classification
B. industrial microbiology
C. the etiology of infectious disease
D. genetics
E. food preparation
Answer: D
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Which of the following statements about muscular dystrophy (MD) is false? a. Duchenne MD is caused by a mutation on the X chromosome
b. In all forms of MD, skeletal muscle progressively weakens. c. Children affected by Duchenne MD usually show signs by age three. d. Duchenne MD affects boys and girls in equal numbers.
What is a function of loose connective tissue?
A) to hold organs in place B) to store energy-rich reserves of fat C) to move substances throughout the body D) to contract when signaled by nerve cells
Glucose is converted into glucose 6-phosphate by hexokinase. Glucose 6-phosphate then serves as the substrate for the enzyme phosphoglucose isomerase, which converts this reactant into fructose 6-phosphate. Fructose 6-phosphate serves as the substrate for phosphofructokinase, which converts fructose 6-phosphate into fructose 1,6-bisphosphate. Based on the information provided, this is an example of what?
A. Feedback inhibition B. A metabolic pathway C. Allosteric regulation D. Enzyme inhibition
Which term best describes the symbiotic relationship of well-fed P. bursaria to their zoochlorellae?
A) mutualistic B) parasitic C) predatory D) pathogenic