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TLS Online TPP Program

#Question id: 21250

A 56-year-old female was diagnosed with a tumor near the base of the skull, impinging on her optic tract. Which of the following statements about the central visual pathway is correct?

#Unit 7. System Physiology – Animal
  1. The fibers from each temporal hemiretina decussate in the optic chiasm, so that the fibers in the optic tracts are those from the temporal half of one retina and the nasal half of the other
  2. In the geniculate body, the fibers from the nasal half of one retina and the temporal half of the other synapse on the cells whose axons form the geniculocalcarine tract.
  3. Layers 2 and 3 of the visual cortex contain clusters of cells called globs that contain a high concentration of cytochrome oxidase.
  4. Complex cells have a preferred orientation of a linear stimulus and, compared to simple cells, are more dependent on the location of the stimulus within the visual field.
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TLS Online TPP Program

#Question id: 117

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is not true of sterols?
TLS Online TPP Program

#Question id: 21183

#Unit 13. Methods in Biology

This PCR have mixtures of similar oligonucleotides that are used in a PCR to amplify unknown sequences of DNA, related to a known DNA sequence is
TLS Online TPP Program

#Question id: 19479

#Unit 12. Applied Biology

The Cry proteins are solubilized in which environment of insect midgut and are then proteolytically processed to yield a 60 kDa toxic core fragment?
TLS Online TPP Program

#Question id: 9571

#Unit 10. Ecological Principles

All homeostatic systems used by organisms to regulate body temperature are described by which of the following?
TLS Online TPP Program

#Question id: 15775

#Unit 5. Developmental Biology

When a multipotent stem cell divides asymmetrically, its maturing daughter cell often goes through a transition stage, called as
A. Progenitor cell .
B. Transit-amplifying cell.
C. Adult stem cell
D. Totipotent precursor cell