#Question id: 1566
#XL - S Microbiology
Histamines trigger dilation of nearby blood vessels, and increase in their permeability. Which of the signs of inflammation are therefore associated with histamine release?
#Question id: 19669
#XL - P Chemistry
#Question id: 4957
#XL - S Microbiology
How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?
#Question id: 2160
#XL - S Microbiology
An artificial membrane composed only of phospholipids has significant permeability to
#Question id: 10885
#XL - R Botany
In a field experiment, autotrophs are provided a 14C-labelled carbon compound for photosynthesis. Radioactivity (14C) levels were then monitored at regular intervals in all the trophic levels. In which ecosystem is the radioactivity likely to be detected in longer time at the higher trophic level?