#Question id: 2193
#Unit 2. Cellular Organization
A membrane is examined using freeze-fracture and freeze-etch analysis. The surfaces are shown to have almost no pits or bumps. Which of the following is the most likely source of the membrane?
#Question id: 28275
#Unit 5. Developmental Biology
#Question id: 945
#Unit 1. Molecules and their Interaction Relevant to Biology
A key precursor in the synthesis of aromatic amino acids (tryptophan, tyrosine and phenylalanine) is ________.
#Question id: 868
#Unit 1. Molecules and their Interaction Relevant to Biology
Which statements is incorrect about ‘The chaperonin-assisted catalysis of protein folding’
A. The non-cooperative nature of ATP binding establishes GroEL as an allosteric enzyme.
B. In GroEL with a total of 14 subunits in two heptameric rings are observed.
C. In vivo GroES is composed of seven identical subunits whilst GroEL is composed of 14 larger subunits.
D. Gro-EL being called chaperonin60 (cpn60) and Gro-ES chaperonin10 (cpn10).
#Question id: 10263
#Unit 8. Inheritance Biology
During cell division, sometimes there will be failure of separation of sister chromatids. This event is called