#Question id: 447
#SCPH05 I Biotechnology
In glycolysis, fructose 1,6-bisphosphate is converted to two products with a standard free-energy change (DG'°) of 23.8 kJ/mol. Under what conditions encountered in a normal cell will the free-energy change (DG) be negative, enabling the reaction to proceed spontaneously to the right?
#Question id: 10975
#I Life Science/ Life Sciences Group – I-V
A teenaged boy with numerous nosebleeds was referred to a physician for evaluation prior to a minor surgery. His prothrombin time (PT) was 11 sec (11–15 sec normal), partial thromboplastin time (PTT) was 58 sec (25–40 sec normal), and bleeding time was 6.5 min (2–7 min normal). Which of the following is most likely abnormal in this young man?
#Question id: 19334
#SCPH06 I Botany
#Question id: 15871
#SCPH05 I Biotechnology
Various sterilization techniques used in plant tissue culture work;
Sterilization technique |
Materials sterilized |
A) Dry heat |
i) Media, culture vessels, other glass plasticwarc, contaminated
cultures |
B) Autoclaving |
ii)
Heat labile compounds like GA3, ABA, zeatin, urea,·enzymes, etc. |
C) Surface sterilization |
iii) Empty glassware, instruments like scalpels, forceps,
needles |
D) Liquid (membrane filter of 0.45 μm or smaller pore size) |
iv)
All plant materials to be cultured |
#Question id: 685
#SCPH01 Biochemistry
A protein has a molecular weight of 5600 daltons; its subunits are about 1960 daltons. There are ________ protein chains per oligomer.