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TLS Online TPP Program

#Question id: 21242

A 28-year-old male with severe myopia made an appointment to see his ophthalmologist when he began to notice flashing lights and floaters in his visual fi eld. He was diagnosed with a retinal detachment. The retina

#Unit 7. System Physiology – Animal
  1. is epithelial tissue that contains photoreceptors
  2. lines the anterior one-third of the choroid.
  3. has an inner nuclear layer that contains bipolar cells, horizontal cells, and amacrine cells
  4. contains an optic disk where visual acuity is greatest.
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TLS Online TPP Program

#Question id: 17819

#Unit 13. Methods in Biology

During RNA extraction, the homogenate is first treated with
TLS Online TPP Program

#Question id: 14845

#Unit 13. Methods in Biology

Four persons are chosen at random from a group containing 3 men, 2 women and 4 children. The chance that exactly 2 of them will be children is
TLS Online TPP Program

#Question id: 300

#Unit 1. Molecules and their Interaction Relevant to Biology

Hydrogen bonding occurs in molecules when ___________________.
TLS Online TPP Program

#Question id: 2014

#Unit 4. Cell Communication and Cell Signaling

Some pathogens can undergo rapid changes resulting in antigenic variation. Which of the following is such a pathogen?
TLS Online TPP Program

#Question id: 33481

#Unit 2. Cellular Organization

A. In homologous introns, the pattern of divergence involves both changes in length.
B. Divergence in introns is due to deletions and insertions and base substitutions. 
C. Introns are slowly evolve while exons much more rapidly 
D. When a gene is compared among different species, there are instances where its exons are homologous but its introns have diverged so much that very little homology is retained.