Blog

The junctions between animal cells that allow the free passage of molecules smaller than approximately 1000 daltons are called?

Although structurally different from gap junctions in animal cell tissues, _______ may be thought of as the functional equivalent of gap junctions in plants.

The Cdk inhibitor p16 binds specifically to Cdk4, 6/cyclin D complexes. What would be the predicted effect of p16 overexpression on cell cycle progression?

DNA content can be found using a method of flow cytometry that can determine 2n or 4n states of cells based on cell counting and fluorescent labeling of DNA. Which of the following phases would be identified through flow cytometry as 4n?

The progression from metaphase to anaphase is triggered by

Cyclic AMP (cAMP) is synthesized from ATP by the action of?

Which statement about collagen is false?

In vitro mutagenesis of cloned lamin cDNAs has been used to generate mutants that cannot be phosphorylated by Cdk1. How would expression of these mutant lamins affect nuclear envelope breakdown at the end of prophase?

The sequence of DNA on each chromosome where the sister chromatids are held together is called the?

Which proteins plays an important role in determining the specificity of signaling pathways within the cell?