Blog

Which of the following vertebral components is primarily involved in forming the joint connection with adjacent vertebrae?

Considering the components and functioning of a typical microscope, what part adjusts the amount of light that reaches the specimen?

Which of the following bones is categorized under carpal bones in the human hand?

In the image shown, what layer is the black arrow pointing to?

A hypothermic patient with a bypassed airway required humidification.  Which of the following humidifiers would be most appropriated for this situation?  Pick all that apply

Lectura Read the public service announcement, then select the appropriate words. Conducir mientras nieva es muy [1]. En primer lugar, las carreteras están resbalosas (slippery). Además, muchas gasolineras están cerradas y no puedes [2] el tanque de tu carro. Y quedarse sin gasolina cuando está nevando no es divertido. Antes de salir, es importante abrir el [3] y ver si tienes líquido (liquid) para limpiar (to clean) el parabrisas. Si tienes que [4], hazlo con mucho cuidado. Revisa si tienes llantas en buenas condiciones (condition). Trata de manejar por [5] y no manejes por calles pequeñas. Y ve por debajo de la velocidad máxima. Y si no hay visibilidad (visibility) mientras conduces, [6] el carro en un lugar seguro.

Several technical breakthroughs were required for the routine high-resolution structures obtained by cryo-EM. Name three of these discussed in class that enabled high-resolution structure determination, and describe the advantages that each conferred. (6 pts)

Draw the complete and detailed SN2 mechanism, including arrows for electron pushing, transition state, and possible product(s) for the following reaction: (10 points) * Submission must be during exam time*

After obtaining a purified protein, what are the steps of determining a cryo-EM structure (4 pts)? Name two potential issues that could arise in this workflow, and how these could be optimized (2 pts).

Describe why cryo-EM structures, compared to crystallography, may be more relevant to physiology. Also describe the comparative technical advantages (t­­­­wo of each). (8pts)