A 40-year-old woman comes to the emergency room with a fracture in the neck of the femur. Radiographs reveal generalized demineralization of the bone in the area. Her plasma calcium ion concentration is significantly greater than normal: 12.2 mg/dL. Which of the following conditions is consistent with this presentation?

TLS Online TPP Program

#Question id: 33288

#Unit 2. Cellular Organization

ATM, ATR, or DNA-PK phosphorylates the variant histone within nucleosomes located close to the break, known as:

TLS Online TPP Program

#Question id: 33289

#Unit 2. Cellular Organization

The instability of p53 results from its ubiquitinylation by a ubiquitin-protein ligase called:

TLS Online TPP Program

#Question id: 33290

#Unit 2. Cellular Organization

When the DNA damage occurs during G1, phosphorylation of Cdc25A targets it for binding to: 

TLS Online TPP Program

#Question id: 33291

#Unit 2. Cellular Organization

Multiple forces act on chromosomes in the spindle, except?

TLS Online TPP Program

#Question id: 33328

#Unit 2. Cellular Organization

Which of the following reactions is most directly responsible for bacterial cell growth and division?

TLS Online TPP Program

#Question id: 33329

#Unit 2. Cellular Organization

In gram-negative bacteria such as Escherichia coli, cross-links form between: