TLS Online TPP Program

#Question id: 4171


Use the table below to determine which template strand DNA sequence (written in the 5ʹ → 3ʹm direction) specifies the tripeptide with the sequence gly-ala-leu.

#Unit 3. Fundamental Processes
  1. GGGGCUCUC

  2. CUCUCGGGG

  3. CCCCGAGAG

  4. GAGAGCCCC

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TLS Online TPP Program

#Question id: 9221

#Unit 9. Diversity of Life Forms

The primary difference between the small-population approach and the declining-population approach to biodiversity recovery is that ________.

TLS Online TPP Program

#Question id: 7753

#Unit 5. Developmental Biology

The best-studied type of plant autophagy, specialized organelles called autophagosomes enclose the cytoplasmic components and fuse with the vacuole, this is called

TLS Online TPP Program

#Question id: 23195

#Unit 13. Methods in Biology

Electron microscopy under optimal conditions can provide a resolution of upto 

TLS Online TPP Program

#Question id: 3631

#Unit 8. Inheritance Biology

Six different mutations 1 to 6, from the following results of functional allelism tests whereby the mutants were crossed with each other, determine location of mutant gene.

TLS Online TPP Program

#Question id: 15306

#Unit 4. Cell Communication and Cell Signaling

The transformation of a normal cell to a cancer cell is accompanied  by the loss of function of one or more tumor‐suppressor genes. High‐throughput sequencing studies have identified hundreds of genes that are implicated as tumor suppressors in humans. Some of the better characterized genes;

Gene

Primary tumor

Proposed function

i) APC

Colorectal

Binds β ‐catenin acting as transcription factor

ii) BRCA1

Breast

DNA repair

iii) MSH2, MLH1

Melanoma, pancreatic

p16: Cdk inhibitor

ARF: stabilizes p53

iv) E‐Cadherin

Breast, colon

Cell adhesion molecule

v) INK4a

Colorectal

Mismatch repair

vi) NF1

Neurofibromas

Activates GTPase of Ras

Choose incorrect matching regarding tumor‐suppressor genes/primary tumor/proposed functions;