#Question id: 10791
#I Life Science/ Life Sciences Group – I-V
Following are certain statements regarding furanocoumarins;
a) furanocoumarins have an attached furan ring
b) These compounds are toxic until they are activated by
sunlight in the ultraviolet A (UV-A) region (320–400 nm)
c) Light activated furanocoumarins can insert themselves
into the double helix of DNA and bind to the pyrimidine bases, thus blocking
transcription and repair and leading eventually to cell death
d) Phototoxic furanocoumarins are especially abundant in members
of the Umbelliferae family, including celery, parsnip, and parsley.
Which of the following combination from the above statements
is correct?
