TLS Online TPP Program

#Question id: 863


Ubiquitinated proteins are proteolytically degraded in an ATP-dependent process mediated by a large (∼2500 kD, 26S) multiprotein complex named the 26S proteasome;

#Part-B Specialized Branches in Biotechnology
  1. A hollow cylindrical core, known as the 20S proteasome, which is covered at one or both ends by a 19S cap.

  2. The yeast 20S proteasome, which is closely similar to other eukaryotic 20S proteasomes, is composed of Ten different types of α-like subunits.

  3. The yeast 20S proteasome, which is closely similar to other eukaryotic 20S proteasomes, is composed of seven different types of α-like subunits and seven different types of β-like subunits.

  4. The α-type subunits and the β-type subunits are structurally similar, only three of the β-type subunits have proteolytic activity.

    Choose any one incorrect option.

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TLS Online TPP Program

#Question id: 11535

#Part-B Specialized Branches in Biotechnology

During IPA pathway in the biosynthesis of auxin using  following enzymes except_____

TLS Online TPP Program

#Question id: 11536

#Part-B Specialized Branches in Biotechnology

IAA has been found to be conjugated to both high- and low-molecular-weight compounds such as,

a) Low-molecular-weight conjugated auxins include esters of IAA with glucose or myo-inositol and amide conjugates such as IAA-N-aspartate

b) High-molecular-weight IAA conjugates include IAAglucan and IAA-glycoproteins found in cereal seeds

c) High-molecular-weight conjugated auxins include esters of IAA with glucose or myo-inositol and amide conjugates such as IAA-N-aspartate

d) Low-molecular-weight IAA conjugates include IAAglucan and IAA-glycoproteins found in cereal seeds

Which of the following is the correct prediction about low-and high-molecular weight ?

TLS Online TPP Program

#Question id: 11538

#Part-B Specialized Branches in Biotechnology

Prostaglandins are local regulators whose chemical structure is derived from ________.

TLS Online TPP Program

#Question id: 11539

#Part-B Specialized Branches in Biotechnology

Aspirin and ibuprofen both ________.

TLS Online TPP Program

#Question id: 11542

#Part-B Specialized Branches in Biotechnology

Different body cells can respond differently to the same polypeptide hormones because ________.

TLS Online TPP Program

#Question id: 11546

#Part-B Specialized Branches in Biotechnology

Steroid and polypeptide hormones typically have in common ________.