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TRUE or FALSE: The only time that chromatin is densely packed is when it is packaged up in chromosomes (X shapes). 

TRUE or FALSE: During vesicle trafficking involving Rab GTPases, Rab effectors and t-SNAREs are located on the same membrane?

A gated ion channel is more like which of the following items:

How do chaperone chambers fix misfolded proteins?

Which technique is NOT possible to carry out in LIVE cells?

Below is the structural formula of a molecule. How would this molecule be drawn in organic shorthand?  

A mutation has occurred resulting in a dysfunctional proteasome that is unable to bind to ubiquitin. What is overall the effect on the cell?

You are a scientist studying nuclear import and export. In lab, you expose cells to a new compound that inhibits GAP from regulating Ran GTPase properly. What do you predict will happen to nuclear import and export in these cells?

What is a FALSE statement about “pump” membrane transport proteins?  

Different organisms must adapt and and continue to function in fluctuating weather conditions. This is particularly true for organisms that cannot regulate their internal temperature, such as lizards, amphibians, bacteria, protozoa, etc.  Which of the following is NOT a method that organisms use to adapt to COLDER than ideal conditions?