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TLS Online TPP Program

#Question id: 2054

What is the single best defining feature of systemic lupus erythematosus (SLE)?

#XL - S Microbiology

  1. A type III hypersensitivity

  2. A disease in which anti-DNA autoantibodies are present

  3. A disease that often affects the skin

  4. A disease that often affects the kidneys

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TLS Online TPP Program

#Question id: 20088

#XL - P Chemistry

Which sentence is correct with respect to bond enthalpy ?
TLS Online TPP Program

#Question id: 19784

#XL - P Chemistry

In which of the following electron distributions in ground state, only the Hund’s rule is violated?
TLS Online TPP Program

#Question id: 20212

#XL - P Chemistry

If the nitrogen atom had electronic configuration 1s7, it would have energy lower than that of the normal ground state configuration 1s2 2s2 2p3 because the electrons would be closer to the nucleus. Yet, 1s7 is not observed because it violates.
TLS Online TPP Program

#Question id: 557

#XL - Q Biochemistry

The number of substrate molecules converted to product in a given unit of time by a single enzyme molecule at saturation is referred to as the:
TLS Online TPP Program

#Question id: 5566

#XL - T Zoology

In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction?