Biofilm infections are difficult to treat because:
Ans: they consist of several different microbes
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Which of the following statements is true?
A. Lactic acid is a product of aerobic respiration; ethyl alcohol is a product of fermentation. B. Oxygen is a product of cellular respiration; carbon dioxide is a product of photosynthesis. C. Glucose is a product of aerobic respiration; lactic acid is a product of anaerobic respiration. D. Oxidation is the loss of electrons; reduction is the gain of electrons.
Which one of the following types of fatty acids would be likely to have the lowest melting temperature?
A. long tails and low saturation B. long tails and high saturation C. short tails and low saturation D. short tails and high saturation E. All fatty acids have the same melting temperature regardless of tail length or level of saturation.
The centromere of human chromosome 15 creates a long arm and a barely discernable short arm. Therefore, this chromosome is
A) telocentric. B) acrocentric. C) submetacentric. D) metacentric.
Spherical-shaped bacteria that divide and remain attached in a chain-like pattern are called:
A. Staphylococci B. Streptococci C. Streptobacilli D. Staphylobacilli