Which of the following enzyme is involved in the rate-limiting step in ethylene biosynthesis?

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#Question id: 1865

#Unit 4. Cell Communication and Cell Signaling

What deficiency is indicated by poor skin test results to a range of microbial antigens such as tuberculin and mumps?

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#Question id: 27100

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statement is correct regarding the α -Turn and β turns

(1)In α - Turn H-bond is seen between i and i + 4 (First and Fifth residue)

(2) In α Turn conformation is based on i + 1 , i + 2 and i + 3 on the basis of this, they are classified

(3)In β turns H-bond is seen between i and i + 4 (First and Fifth residue)

(4) In β turns  conformation of i + 1 and i + 2 are crucial and on the basis of this, they are classified

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#Question id: 1429

#Unit 4. Cell Communication and Cell Signaling

Which of the following is NOT a microscopic characteristic of tumor cells?

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#Question id: 799

#Unit 1. Molecules and their Interaction Relevant to Biology

The two cleavage reactions required to generate the miRNA from these primary transcripts are mediated by two distinct RNases. A characteristic of both these enzymes is that they recognize and cleave RNAs on the basis of the structure of their substrates rather than their specific sequence. Which of the following statement is INCORRECT regarding the cleavage reactions that produces a mature RNA?

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#Question id: 1658

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of IgE?