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TLS Online TPP Program

#Question id: 1563

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

#XL - S Microbiology

  1. respond to circulating viral antigens

  2. lyse tumor cells

  3. stimulate a cytotoxic T cell

  4. interact with a class II MHC-antigen complex

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TLS Online TPP Program

#Question id: 20046

#XL - P Chemistry

For particles having same KE., the de-broglie wavelength is
TLS Online TPP Program

#Question id: 2672

#XL - T Zoology

What is the name of the stretch of DNA where RNA polymerase binds?
TLS Online TPP Program

#Question id: 19576

#XL - P Chemistry

When ammonia is oxidized to form nitric acid, what catalyst is used?
TLS Online TPP Program

#Question id: 2065

#XL - S Microbiology

Which of the following are least likely to diffuse through the phospholipid bilayer of a cell membrane?
TLS Online TPP Program

#Question id: 10822

#XL - T Zoology

When two organisms attempt to utilize the same resource, the result is: