The MDM2 protein in its active form can form a complex with p53, inhibiting the transcription factor and causing p53 ubiquitinylation and subsequent proteasomal degradation, ATM phosphorylates MDM2 to inactivate it, causing increased stabilization of p53, but there is one another gene or key regulator which controls the level of MDM2;

#Question id: 33908

#Unit 2. Cellular Organization

#Question id: 5292

#Unit 8. Inheritance Biology

A transformation experiment is performed with a donor strain that is resistant to four drugs: W, X, Y, and Z. The recipient is sensitive to all four drugs. The treated recipient population is divided up and plated on media containing various combinations of the drugs. The table below shows the results:

Following observation are given

A) X gene is obviously quite distant from the other three genes

B) Y gene is obviously quite distant from the other three genes

C) The Order is three closely link gene W Z Y

D) The Order is three closely link gene W X Z

Which of the following combination is correct?

#Question id: 5346

#Unit 8. Inheritance Biology

The following typical pedigree illustrates the key point that affected children are born to unaffected parents: Which of the following is correct statement?

#Question id: 4495

#Unit 3. Fundamental Processes

_ elements can block this spreading, protect genes from both indiscriminate activation and repression.

#Question id: 1794

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of natural antibodies?