What condition leads to a deficiency in factor IX that can be corrected by an intravenous injection of vitamin K?

#Question id: 5099

#SCPH01 Biochemistry

Which of the following is common to the development of birds and mammals?

#Question id: 622

#SCPH05 I Biotechnology

An enzyme-catalyzed reaction was carried out with the substrate concentration initially a thousand times greater than the Km for that substrate.  After 9 minutes, 1% of the substrate had been converted to product, and the amount of product formed in the reaction mixture was 12 micromol.  If, in a separate experiment, one-third as much enzyme and twice as much substrate had been combined, how long would it take for the same amount (12 micromol) of product to be formed?

#Question id: 5030

#SCPH06 I Botany

There is evidence that ray-finned fishes originally evolved

#Question id: 16073

#I Life Science/ Life Sciences Group – I-V

#Question id: 10888

#SCPH28 | Zoology

Ecologists have applied the top-down model to improve water quality in polluted lakes showing in picture. This approach, called biomanipulation, attempts to prevent algal blooms and eutrophication by altering the density of organism instead of chemical treatment as following