Practice Questions

TLS Online TPP Program

#Question id: 2046

High responder ‘Biozzi’ mice:

#XL - S Microbiology

Phagocytose carbon particles faster than low responders
Were obtained by breeding wild mice through five generations, selectively mating the high responders each time
Produce high titer antibodies to a variety of antigens
Produce high titer antibodies to only a very restricted number of antigens

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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: 19577

#XL - P Chemistry

Which of the following statements about Hypophosphorous acid is incorrect?

TLS Online TPP Program

#Question id: 19578

#XL - P Chemistry

Which of the following compounds has an oxidation state of +5 phosphorus?

TLS Online TPP Program

#Question id: 19579

#XL - P Chemistry

Why is nitrogen preferred in the welding and cooling of materials?

TLS Online TPP Program

#Question id: 19580

#XL - P Chemistry

The term ‘pnictogens’ refers to which group?

TLS Online TPP Program

#Question id: 19581

#XL - P Chemistry

Producer gas is defined as which of the following mixtures?