One of the enzyme of citric acid cycle known as isocitrate dehydrogenase, some of the characterictics are given below;

a) Isocitrate dehydrogenase is found in both cytosol as well as in mitochondria

b) Isocitrate is oxidized by hydride transfer to NAD+ or NADP+ depending on the location whether IDH present in cytosol or mitochondria

c) Isocitrate dehydrogenase forms oncometabolites such as 2-Oxoglutarate

d) Isocitrate dehydrogenase also participate in Glyoxylate cycle

Which of the following characteristics of isocitrate dehydrogenase is incorrect?

TLS Online TPP Program

#Question id: 8710

#Unit 9. Diversity of Life Forms

A phylogenetic tree constructed using sequence differences in mitochondrial DNA would be most valid for discerning the evolutionary relatedness of ________.

TLS Online TPP Program

#Question id: 33465

#Unit 1. Molecules and their Interaction Relevant to Biology

GC Minor groove in DNA molecule show chemical information as

TLS Online TPP Program

#Question id: 12199

#Unit 6. System Physiology – Plant

Some given statements about Auxin signalling pathways are listed;

a) The auxin receptor is composed of two proteins: the SCF complex component TIR1 and the repressor protein AUX/IAA

b) The binding of auxin to its receptor complex initiates ubiquitin-dependent degradation of the AUX/ IAA repressor protein by the 26S proteasome 

c) TIR1 recruits AUX/ IAA proteins to the SCFTIR1  complex in an auxin-independent manner

d) AUX/IAA proteins are ubiquitinated by the E3 ligase activity of the SCFTIR1 complex, which marks the protein for destruction by the 26S proteasome

Which of the following is correct explanation of Auxin signalling pathways?

TLS Online TPP Program

#Question id: 675

#Unit 1. Molecules and their Interaction Relevant to Biology

Which statement is not true about an α-helix?

TLS Online TPP Program

#Question id: 9169

#Unit 9. Diversity of Life Forms

In areas of permafrost, stands of black spruce are frequently observed in the landscape, while other tree species are noticeably absent. Often these stands are referred to as "drunken forests" because many of the black spruce often "lean over" (that is, they are displaced from their normal vertical alignment). What is the most likely explanation for the unusual growth of these forests in this marginal habitat?