#Question id: 28216
#Unit 5. Developmental Biology
The cell retain stem cell niche and maintained their proliferative properties is referred to as___
#Question id: 690
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following pairs of bonds within a peptide backbone show free rotation around both bonds?
#Question id: 2905
#Unit 2. Cellular Organization
With respect to X-chromosome inactivation, which, if any, of the following statements are not correct?
I. X-chromosome inactivation in mammals begins in the pre-implantation embryo
II. In humans all diploid cells that carry two normal X-chromosomes are subject to a random pattern of X-inactivation.
III. Once a decision has been made to inactivate an X chromosome (either the paternal or maternal X), all descendant cells show the same pattern of X-inactivation.
IV. The inactivated X chromosome becomes a highly condensed Barr body in which genes are silenced across the length of the chromosome.
#Question id: 28648
#Unit 2. Cellular Organization
Which of the following are the MCM helicase loading factors?
#Question id: 17657
#Unit 7. System Physiology – Animal