#Question id: 7581
#General Aptitude
#Question id: 2883
#Unit 2. Cellular Organization
Which, if any, of the following statements is incorrect?
I. In X-chromosome inactivation, the inactivated X chromosome is epigenetically silenced by a transcript, the XIST RNA, that is produced from the active X chromosome.
II. The XIST RNA works by coating most of the X chromosome that is to be inactivated and then recruiting Polycomb proteins to condense the chromosome.
III. The inactivated X chromosome carries the kinds of histone modification that are typical of heterochromatin.
IV. The pattern of X-chromosome inactivation is made randomly but once it has been established the same pattern of X-inactivation is propagated through all mitotic and meiotic cell divisions.
#Question id: 11111
#Unit 7. System Physiology – Animal
Hypoventilation dramatically increases carbonic acid concentration and involves:
#Question id: 274
#Unit 1. Molecules and their Interaction Relevant to Biology
Chromatin was first observed and named by ________.
#Question id: 28548
#Unit 5. Developmental Biology
stem cell mediated regeneration are same as__