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TLS Online TPP Program

#Question id: 10137

The Calvin–Benson cycle pathway decreases the oxidation state of carbon from the highest value, found in CO2 (+4), to levels found in sugars;  +2 in keto groups — CO—; 0 in secondary alcohols —CHOH,  In view of its notable capacity for lowering the carbon oxidation state, the Calvin–Benson cycle is also aptly named the

#Section 2: General Biology
  1. Reductive pentose phosphate cycle and photosynthetic carbon reduction cycle
  2. Crassulacean acid metabolism cycle
  3. Oxidative phase of pentose phosphate cycle
  4. Photosynthetic carbon oxidation cycle 
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TLS Online TPP Program

#Question id: 3879

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is not usually essential for the catalytic activity of ribozymes?
TLS Online TPP Program

#Question id: 3880

#Section 3: Genetics, Cellular and Molecular Biology

Which one of the following properties of the L-19 IVS ribozyme is not shared with enzymes that are purely protein?
TLS Online TPP Program

#Question id: 3881

#Section 3: Genetics, Cellular and Molecular Biology

Which one of the following statements about mRNA stability is true?
TLS Online TPP Program

#Question id: 3882

#Section 3: Genetics, Cellular and Molecular Biology

The reverse transcriptase of an animal RNA virus catalyzes:
TLS Online TPP Program

#Question id: 3883

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is correct about reverse transcriptase:
TLS Online TPP Program

#Question id: 3885

#Section 3: Genetics, Cellular and Molecular Biology

AZT (3'-azido-2',3'-dideoxythymidine), used to treat HIV infection, acts in HIV-infected cells by: