The half-life of a zero order reaction is 30 minutes. What is the concentration of the reactant left after 60 minutes?

#Question id: 210

#Section 2: General Biology

Enzymes with vitamin B6 as the prosthetic group catalyze a variety of reactions involving 

#Question id: 15503

#Section 4: Fundamentals of Biological Engineering

#Question id: 10791

#Section 6: Plant, Animal and Microbial Biotechnology

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?

#Question id: 14427

#Section 5: Bioprocess Engineering and Process Biotechnology

#Question id: 4172

#Section 3: Genetics, Cellular and Molecular Biology

Which statement is true about the number of initiation and STOP codons?