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TLS Online TPP Program

#Question id: 23194

The following are super-resolution techniques:

#Unit 13. Methods in Biology
  1. Total Internal Reflection Fluorescence (TIRF) and Two-Photon Excitation (2P) microscopy.
  2. Stimulated Emission Depletion (STED) microscopy, Structured Illumination Microscopy (SIM), Stochastic and Localization Microscopy (PALM/STORM).
  3. Spinning disk confocal microscopy and Light sheet microscopy.
  4. Phasecontrast microscopy and differential-interference-contrast (DIC) microscopy
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TLS Online TPP Program

#Question id: 19224

#Unit 12. Applied Biology

Transformation efficiency is usually low, plants have been successfully transformed with large DNA fragments ranging from
TLS Online TPP Program

#Question id: 34143

#Unit 7. System Physiology – Animal

Which of the following best explains how normal plasma oxytocin levels at the onset of labor can still result in powerful uterine contractions?
TLS Online TPP Program

#Question id: 26578

#Unit 3. Fundamental Processes

According to the "wobble hypothesis" inosine at the third position of the anticodon cannot form hydrogen bonds with
TLS Online TPP Program

#Question id: 3403

#Unit 11. Evolution and Behavior

Balancing selection is a type of natural selection that balances two or more alleles in population allows maintaining genetic diversity. Which of the following allowed to this type of selection?

A- Heterozygote has the highest level of Fitness than normal homozygote

B- If rare phenotypes are favored over common phenotypes

C- Introduction of new allele in to a population by mutation and allowed to higher fitness in individuals

D- One homozygote has a highest level of fitness than heterozygote and another homozygote
TLS Online TPP Program

#Question id: 1563

#Unit 4. Cell Communication and Cell Signaling

A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to ________.