TLS Online TPP Program

#Question id: 92


Monosaccharide derivatives in which an amino group replaces one of the hydroxyl groups may have important roles in

#XL - Q Biochemistry
  1. DNA structure.

  2. intermediary metabolisms.

  3. vitamin C.

  4. sialic acids.

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TLS Online TPP Program

#Question id: 291

#XL - Q Biochemistry

Which of the following types of non-covalent bonds or interactions is thought to be primarily responsible for driving the three-dimensional folding of a protein:

TLS Online TPP Program

#Question id: 12906

#XL - S Microbiology

An alternative method labeling strategy used in karyotyping and gene localisation is _______

TLS Online TPP Program

#Question id: 11444

#XL - R Botany

Ecologist have proposed following explanation to lead maximize biodiversity at tropic.

A. Higher productivity in the tropics allows for more species present

 B. Old communities have greater species than younger community

 C. Natural enemies such as predators and parasite limit competition in the tropics, which allows more species to coexist

D. Very less intensity of disturbances in the tropics promote high succession diversity

TLS Online TPP Program

#Question id: 10347

#XL - Q Biochemistry

NH4+ is toxic to plants, inhibit dinitrogenase and also interfere energy metabolism by dissociating ATP formation  from ETC  in both mitochondria and chloroplasts. What will plant cells do to avoid this problem?

a) Plant cells avoid ammonium toxicity by rapidly converting the ammonium generated from nitrate assimilation or photorespiration into nitrate

b) Plant cells avoid ammonium toxicity by rapidly converting the ammonium generated from nitrate assimilation or photorespiration into amino acids

c) The pathway for this conversion involves the sequential actions of glutamine synthetase (GS) and glutamate synthase (GOGAT)

d) The pathway for this conversion involves the sequential actions of Aspartate aminotransferase (Asp-AT) and Asparagine synthetase (AS)

Which of the above statements is incorrect?

TLS Online TPP Program

#Question id: 659

#XL - Q Biochemistry

What does it mean to say a protein is oligomeric?