A 23-year-old student develops abdominal cramps, nausea, and vomiting approximately 4 hours after eating leftover (almost forgotten) Chinese food. Which of the following is the most likely cause for this ailment?
A. Bacillus cereus
B. Clostridium difficile
C. Escherichia coli
D. Salmonella typhi
Ans: A. Bacillus cereus
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"Gluconeogenesis" is the process in which
A. glucose levels are increased in the blood through the breakdown of carbohydrates. B. glucose levels are decreased in the blood through the breakdown of carbohydrates. C. glucose levels are increased in the blood by synthesis of glucose from non-carbohydrate sources. D. glucose levels are decreased in the blood by synthesis of glucose from non-carbohydrate sources. E. amino acids are generated for processes like building muscle tissue.
What are the five kinds of sensory receptors?
What will be an ideal response?
Which of these processes of viral multiplication is most likely to damage the host cell?
a. Release of nonenveloped viruses b. Uncoating c. Reverse transcription of retroviral RNA d. Release of enveloped viruses e. Viral entry into host cells by fusion
The most common type of mutation is a point mutation.
Indicate whether the statement is true or false.