TLS Online TPP Program

#Question id: 10157


In Glycolate pathway, Glycine exits the peroxisomes and enters the mitochondria where a multienzyme complex catalyzes the conversion of two molecules of glycine and one molecule of NAD+ into one molecule each of serine, NADH, NH4 +, and CO2; the enzyme complex used in this reaction is

#Unit 6. System Physiology – Plant
  1. Glycine decarboxylase and serine hydroxy methyltransferase
  2. Glycolate oxidase and serine hydroxy methyltransferase
  3. Glycine decarboxylase and Serine:2-oxoglutarate aminotransferase
  4. Glycine decarboxylase complex (GDC) and Ferredoxin-dependent glutamate synthase (GOGAT)
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TLS Online TPP Program

#Question id: 27067

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statement regarding the stereochemistry of amino acid
1. 16 amino acid except (Thr, Ile, Cys, Gly) L Fischer projection is equal to S and D is equal to R configuration 
2. Thr, Ile is special case because of two chiral center exist in L – Ile/Thr – 2S,3R and D-Ile/Thr–2R,3S configuration  
3. Cys exiest in L- Cys – R & D- Cys – S configuration 
4. Gly is optically inactive 

TLS Online TPP Program

#Question id: 744

#Unit 1. Molecules and their Interaction Relevant to Biology

In a DNA molecule, deoxyribonucleotides are joined into a polymer by the covalent linkage of a phosphate group. The covalent link termed as:

TLS Online TPP Program

#Question id: 745

#Unit 1. Molecules and their Interaction Relevant to Biology

The structure of RNA differs from that of DNA, as RNA contains:

TLS Online TPP Program

#Question id: 746

#Unit 1. Molecules and their Interaction Relevant to Biology

Two separate chains of DNA are wound around each other, each following a helical (coiling) path, resulting in:

TLS Online TPP Program

#Question id: 747

#Unit 1. Molecules and their Interaction Relevant to Biology

In nucleic acids, the bases are covalently attached to the 1-position of a pentose sugar ring, to form a:

TLS Online TPP Program

#Question id: 748

#Unit 1. Molecules and their Interaction Relevant to Biology

The bond between the bases and the sugars in DNA referred as: