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TLS Online TPP Program

#Question id: 2052

Why have pigs have been proposed as a source of organs for xenotransplantation to humans?

#XL - S Microbiology

  1. They do not pose a risk of zoonoses

  2. Their cell surface glycoproteins bear galactose α-1,3-galactose structures

  3. They lack endogenous virus sequences

  4. Their hearts are an appropriate size and the pigs can be genetically modified to limit the possibility of hyperacute rejection

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TLS Online TPP Program

#Question id: 5602

#XL - T Zoology

The process of synthesis of yolk by the oocyte is termed
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: 12748

#XL - S Microbiology

Name the technique which uses an enzyme that produces a colorimetric or luminescence product.
TLS Online TPP Program

#Question id: 12311

#XL - T Zoology

Animals tend to maximize their energy intake- to- expenditure ratio. What is this behavior called?
TLS Online TPP Program

#Question id: 18475

#XL - R Botany

Necrosis cannot be in the form of _________