TLS Online TPP Program

#Question id: 21259


Production of l-Threonine amino acid used for feeding pigs and poultry, Starting from l-aspartate, the pathway involves five steps catalyzed by five enzymes sequence of using enzyme is that;

#Unit 12. Applied Biology
  1. HDI → aspartate-semialdehyde dehydrogenase (ASA-DH) → AK (asparagine kinase) → homoserine kinase (HK) → threonine synthetase (TS).
  2. Aspartate-semialdehyde dehydrogenase (ASA-DH) → AK (asparagine kinase) → threonine synthetase (TS) → homoserine kinase (HK) → HDI.
  3. AK (asparagine kinase) → aspartate-semialdehyde dehydrogenase (ASA-DH) → HDI→ homoserine kinase (HK) → threonine synthetase (TS).
  4. Homoserine kinase (HK) → threonine synthetase (TS) → AK (asparagine kinase) → HDI →  aspartate-semialdehyde dehydrogenase (ASA-DH).

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TLS Online TPP Program

#Question id: 10874

#Unit 10. Ecological Principles

In the Lotka-Volterra competition model represents the

TLS Online TPP Program

#Question id: 27964

#Unit 1. Molecules and their Interaction Relevant to Biology

Enzymes their location and cofactor along with the inhibitors is given 
a. Citrate synthase Located in Matrix space uses CoA as cofactor and can be inhibited by Monofluoroacetyl-CoA
b. Aconitase Located in Inner membrane uses Fe2+ as cofactor and can be inhibited by Fluoro acétate
c. Isocitrate dehydrogenase Located Matrix space in uses NAD, NADP Mg2+. Mn2+ as cofactor and can be inhibited by ATP
d. Succinate dehydrogenase Located in Inner membrane uses FAD as cofactor and can be inhibited by Malonate, Oxaloacetate

Which of the following is correct

TLS Online TPP Program

#Question id: 89

#Unit 1. Molecules and their Interaction Relevant to Biology

In solution α-D-glucopyranose and β-D-glucopyranose ________.

TLS Online TPP Program

#Question id: 11740

#Unit 6. System Physiology – Plant

Some given characteristics of the two types of sieve elements in seed plants such as Sieve tube elements and Sieve cells. Find out the  true characteristics of sieve tube elements from the given statements;

i) Found in angiosperms

ii) Sieve plate pores are open channels

iii) Albuminous cells sometimes function as companion cells

iv) P-protein is present in all eudicots and many monocots

v) There are no sieve plates; all sieve areas are similar

TLS Online TPP Program

#Question id: 1869

#Unit 4. Cell Communication and Cell Signaling

Which of the following HIV antigens provides a potential target for neutralizing antibody?