The collector lens in the base of the microscope enlarges and projects:
A) the image of the lamp filament on the ocular.
B) the specimen image on the objective.
C) the specimen image on the ocular.
D) the image of the lamp filament on the substage condenser.
Question 2
Which of the following laboratory techniques is useful for detecting porphyrins in fecal specimens?
A) A simple qualitative screening test using fluorometry to detect the red-pink fluorescence produced when a detectable quantity of porphyrin is present
B) Placing a hydrogen ion-selective electrode into the fecal specimen to measure fecal pH
C) A simple mass spectrophotometric assay that is highly sensitive and specific for specific porphyrins and their metabolites
D) A simple spectrophotometric test used to detect the enzymes at 340 nm, which are deficient in porphyria
The path of light through the cornea, iris, lens, and striking the retina.
Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
Midsagittal image of the head on an MRI scan
Pathway of base excision repair
First Base-Love is Paradise (Eurodance)
Cell division image