When mast cells degranulate and release histamine, which of the following events may occur?
A. constriction of small blood vessels
B. bronchial spasms
C. increased mucus production
D. both constriction of small blood vessels and bronchial spasms
E. both bronchial spasms and increased mucus production
Answer: E
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Members of two populations in different parts of the world have the same form of inherited breast cancer. The affected individuals in each population have only one specific mutation, but it is different between the two populations. An explanation for this mutation difference among these populations is
A) a founder effect. B) mutations associated with religion. C) random mating. D) Hardy-Weinberg disequilibrium.
In eukaryotes, most of the cells' DNA is found in the form of chromosomes in the nucleus. Which organelles contain their own genomes (descended from ancient endosymbiotic bacteria)?
What will be an ideal response?
Which organelle breaks down organelles that are no longer useful?
A. ER B. Golgi C. Lysosome D. mitochondria
Comparing the Anaerobe jar and FTM (Fluid thioglycollate medium) click all of the following that are correct:
A) Aerobic bacteria will grow in both B) Anaerobic bacteria will grow in both C) Facultative anaerobes will grow in both D) Aerobic bacteria will only grow in FTM E) Anaerobic bacteria will grow only in FTM F) Only anaerobes will grow in the anaerobe jar