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TLS Online TPP Program

#Question id: 295

Which of the following pairs of amino acids could form a covalent disulfide bond to link two polypeptides together in a multi-subunit protein complex

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Glu -His

  2. Cys - Cys

  3. Ser - Thr

  4. Val – Ala

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TLS Online TPP Program

#Question id: 2935

#Unit 2. Cellular Organization

Breakdown of the nuclear envelope during mitosis is accomplished by CDK-dependent phosphorylation of lamins:
TLS Online TPP Program

#Question id: 2936

#Unit 2. Cellular Organization

The stable attachment of sister kinetochores to microtubules emanating from opposite spindle poles is called:
TLS Online TPP Program

#Question id: 2937

#Unit 2. Cellular Organization

Separase initiates sister chromatid segregation at anaphase by cleaving:
TLS Online TPP Program

#Question id: 2938

#Unit 2. Cellular Organization

Which of the following inhibit(s) cyclin A/Cdk2 activity?
TLS Online TPP Program

#Question id: 2939

#Unit 2. Cellular Organization

Failure of which cell-cycle checkpoint is most likely to result in non-dysjunction?
TLS Online TPP Program

#Question id: 2940

#Unit 2. Cellular Organization

Chk1is activated by: