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TLS Online TPP Program

#Question id: 547

The role of an enzyme in an enzyme-catalyzed reaction is to:

#XL - R Botany

  1. bind a transition state intermediate, such that it cannot be converted back to substrate.

  2. ensure that all of the substrate is converted to product.

  3. ensure that the product is more stable than the substrate.

  4. increase the rate at which substrate is converted into product.

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TLS Online TPP Program

#Question id: 749

#XL - Q Biochemistry

Which of the following is correct for the A form of DNA structures?
TLS Online TPP Program

#Question id: 20145

#XL - P Chemistry

The radius of first Bohr orbit is , then de-Broglie wavelength of electron in 3rd orbit is nearly
TLS Online TPP Program

#Question id: 2659

#XL - T Zoology

The correct option regarding the lac operon in E.coli from the following is
TLS Online TPP Program

#Question id: 4928

#XL - R Botany

A certain kind of snail can have a right-handed direction of shell coiling (D) or left handed coiling (d). If direction of coiling is due to a protein deposited by the mother in the egg cytoplasm, then a Dd egg-producing snail and a dd sperm-producing snail will have offspring of which genotype(s) and phenotype(s)?
TLS Online TPP Program

#Question id: 15519

#XL - S Microbiology

Double-negative selection perform in between cortex to medulla movements in four stages DN1-DN4 based on the presence or absence of other cell surface molecules, In presence of which genotype cell loses the fate of other lymphoid cell?