Gap patterns in MSAs can show: A) Only sequencing errors B) Insertions/deletions marking domain boundaries C) No biological significance D) Only technical artifacts

What does an instability index >40 indicate? A) The protein is stable in vivo B) The protein requires a cofactor C) The protein is unstable and has short half-life in vivo D) The protein is membrane-bound

N-glycosylation typically occurs at which consensus motif? A) N-X-S/T (where X is not proline) B) S-X-K C) D-E-A-D D) K-D-E-L For Reference: 

When you open a protein entry on the RCSB PDB website (e.g., 1HHO), what key information is displayed on the “Structure Summary” tab? A) Only the raw FASTA sequence of the protein with no structural details B) A general overview including the protein name, organism, experimental method, resolution, and a 3D molecular viewer C) A list of all chemical reactions the protein catalyzes D) The complete genome sequence of the organism the protein belongs to

Which tool on ExPASy is primarily used for calculating physicochemical properties of proteins? A) BLAST B) ProtParam C) AlphaFold D) PyMOL

The theoretical isoelectric point (pI) is defined as: A) The pH at which the protein is most stable B) The pH at which the protein has maximum charge C) The pH at which the net charge is zero D) The pH at which the protein denatures  

MSAs are used as foundation for: A) Evolutionary analysis and phylogenetic tree construction  B) Only sequence comparison C) Only protein purification D) Only calculating molecular weight

In a high-quality protein structure, what percentage of residues should fall in the most favored regions of a Ramachandran plot? A) 50% or more B) 70% or more C) 90% or more D) 100% exactly

Essay Questions: There are 7 essay questions available for you to answer any 5 of your choice or all questions if answered correctly . Each question is 4 points if answered correctly. Using the diagram below explain the electrical conduction of the heart ( EKG). Make sure the name of the labelled image is stated.b

Essay Questions: There are 7 essay questions available for you to answer any 5 of your choice or all questions if answered correctly . Each question is 4 points if answered correctlyA) List the functions of the Lymphatic System (4points)B) List the two main ducts that drains in the subclavian vein and state the parts of the body they both drain