ETEC strains produce one of two heat-________ diarrhea-producing ________

A) stable / endotoxins
B) labile / endotoxins
C) stable / enterotoxins
D) labile / enterotoxins


Answer: D

Biology & Microbiology

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________ are infectious RNAs that are responsible for diseases in several crop plants, such as tobacco

Fill in the blank with correct word.

Biology & Microbiology

When leukocytes release the contents of their cytoplasmic granules, the process is called

A) leukocytosis. B) opsonization. C) inflammation. D) complement cascade. E) degranulation.

Biology & Microbiology

Which is an example of gene therapy?

A) replacing a failing heart with a new heart from a genetically matched donor B) injecting human factor VIII protein into hemophiliacs with a defective factor VIII gene C) infecting a cystic fibrosis patient with a virus carrying a working copy of the cystic fibrosis gene D) providing therapeutic drugs to a patient experiencing high blood pressure

Biology & Microbiology

What is a characteristic of REM sleep?

a. During the REM stage, delta waves are emitted. b. Most people spend almost all of their sleep time in the REM stage. c. The preoptic area of the hypothalamus stimulates REM sleep. d. During REM sleep, blood flow to the frontal lobe increases. e. Brain waves change to a desynchronized pattern during REM sleep.

Biology & Microbiology