30 Questions
What serves as an alternative fuel source for the brain after several days of fasting?
Ketone bodies
Which amino acid is most likely to be found on the surface of a globular protein, exposed to the aqueous environment of a cell?
Asparagine
To which amino acid can a phosphate group be added to generate a phosphoprotein?
Tyrosine
Which type of nitrogenous base is a purine?
Adenine
What type of microscope is best suited to visualize the intracellular organization of a cell structure 40nm in size?
Transmission electron microscope
What type of structure is best visualized by the dye used to stain the provided image?
Mucus and glycogen
The popliteal artery is a direct continuation of which vessel?
Femoral artery
What vessels form the venous angle?
Subclavian and internal jugular veins
Which organ does the internal iliac vein drain?
Uterus
Which statement about the renal veins is false?
The left renal vein is shorter than the right one
What organ does the portal vein carry nutrients to?
Liver
What vessels do the superior and inferior venae cavae anastomose via?
Azygos vein
What is the function of cells that have cytoplasmic regions of both basophilia and intense eosinophilia, and highly euchromatic nuclei with prominent nucleoli?
Protein secretion
Which organelle is responsible for protein synthesis and is characterized by the presence of ribosomes attached to its surface?
Rough ER
What is the function of protein vesicles?
Protein secretion
What type of cytoskeletal fiber should be present in a finger-like process of the cytoplasm to perform its function?
Actin filaments
Which cells are more likely to be involved in protein secretion?
Cells with basophilic and eosinophilic regions
What is the likely function of cells in a cancerous tumor that are secreting high amounts of proteins into the surrounding tissue?
Protein secretion
What would you most likely observe in the cytoplasm of cancerous cells that are highly secretory?
Vacuolated cytoplasm
In the histopathological study of the miscarriage, which cellular fibers are most likely affected?
Microfilaments
In the TEM of the nucleus, which labeled region is most likely to contain actively transcribing DNA?
Euchromatin region
What would you expect to observe in the pancreatic secretory cells from a patient with digestive and metabolic symptoms?
Vacuolation of the cytoplasm
What is the most likely reason for the patient's metabolic symptoms in the pancreatic secretory cell biopsy?
Defective protein secretion
What is the most likely cause of the miscarriage in the 28-year-old female?
Genetic defect in the cytoskeleton
What is the most likely direction of the spread of bacterial infection in the urinary system?
Urethra to bladder to ureters to kidneys
Which structure is at risk of injury due to the fracture indicated in the medical image?
Proximal part of left ureter
Which medical image correlates with the organs seen in the autopsy?
Image 2
What is the function of the tube described in the statement?
To transport urine
Which of the following organs is located inferior to the organ that temporarily stores urine?
Urethra
What is the normal course of the tube described in the statement?
It curves along its length
Test your knowledge of biochemistry with these questions on alternative fuel sources, protein structure, and phosphoproteins.
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