Blog

(8 pts total) Describe two reasons why cryo-EM structures may be more physiologically relevant than crystal structures (4 pts). Then, describe two technical advantages of cryo-EM over crystallography (4 pts).

(4 pts) Which of the methods from the above question would be most appropriate to use when you know the structure of a closely related protein? Also, what does the abbreviation for this method stand for? 

23F is following up with the neurology clinic after her hospitalization for IVH into the temporal space. She is being switched to phenytoin for her AED. She asks why she was started on levetiracetam inpatient if the ultimate plan was to transition to phenytoin. The RN’s best explanation is:

(4 pts) Using the crystallization growth chart below, please explain exactly where on this chart you would want your crystals to first form in order to obtain an optimal drop of crystals. Then please explain why you would want them to start growing in the spot you chose. 

A patient has been taking the monoamine oxidase inhibitor (MAOI) phenelzine (Nardil) for 6 months. The patient wants to go to a party and asks the RN, “Will just one beer be a problem?” Which advice from the nurse is correct?

The domain of a relation R is the set of real numbers. x is related to y under relation R if |x+y|≥2. Select the description that accurately describes relation R.

A is a finite non-empty set. The domain for relation R is the power set of A. (Recall that the power set of A is the set of all subsets of A.) For X⊆A and Y⊆A, X is related to Y if X and Y have the same cardinality (i.e., |X|=|Y|). Select the description that accurately describes relation R.

The domain of a relation R is the set of real numbers. x is related to y under relation R if ⌈x⌉≤⌈y⌉. Select the description that accurately describes relation R.

Graph G is defined by the arrow diagram below. Select all the properties that accurately describe the following sequence with respect to graph G: ⟨1,3,4,2,2,3,1⟩

BONUS 2pts Find .