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TLS Online TPP Program

#Question id: 3750

Which of the following facts did Hershey and Chase make use of in trying to determine whether DNA or protein is the genetic material?

#Section 3: Genetics, Cellular and Molecular Biology

  1. DNA contains sulfur, whereas protein does not.

  2. DNA contains phosphorus, whereas protein does not.

  3. DNA contains nitrogen, whereas protein does not.

  4. DNA contains purines, whereas protein includes pyrimidines.

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TLS Online TPP Program

#Question id: 1938

#Section 2: General Biology

Which of the following antibodies are useful for the diagnosis of Sjögren's syndrome?
TLS Online TPP Program

#Question id: 1939

#Section 2: General Biology

Which of the following models is an example of a spontaneous organ-specific autoimmune disease?
TLS Online TPP Program

#Question id: 1940

#Section 2: General Biology

The high concordance rate for monozygotic vs dizygotic twins in type 1 diabetes indicates:
TLS Online TPP Program

#Question id: 1943

#Section 2: General Biology

What is HLA-DR2 a risk factor for?
TLS Online TPP Program

#Question id: 1944

#Section 2: General Biology

The antiphospholipid syndrome is associated with:
TLS Online TPP Program

#Question id: 1945

#Section 2: General Biology

Neonatal myasthenia gravis is thought to be caused by: