TLS Online TPP Program

#Question id: 7270


According to this figure which of the following option is incorrect?

#Unit 5. Developmental Biology
  1. OTX is a general transcription factor, and B-catenin from the maternal cytoplasm is concentrated at the vegetal pole of the egg.
  2. These transcriptional regulators are inherited by the micromeres and activate the Pmar1 gene. Pmar1 encodes a repressor of HesC.
  3. In the veg2 macromeres, where activated Pmar1 protein represses the HesC repressor, the macromere specification and signaling genes are active.
  4. In the veg2 cells, Pmar1 is not activated and the HesC gene product shuts down the skeletogenic genes; however, those cells containing Notch can respond to the Delta signal from the skeletogenic mesenchyme.
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TLS Online TPP Program

#Question id: 12806

#Unit 10. Ecological Principles

Which  of  the  following  areas  of  study  focuses  on  the  exchange  of  energy,  organisms,  and  materials  between ecosystems?

TLS Online TPP Program

#Question id: 3857

#Unit 3. Fundamental Processes

The CAAT box is usually located near the position:

TLS Online TPP Program

#Question id: 17287

#Unit 13. Methods in Biology

Consider the following grouped frequency distribution : 

What is mean deviation about the median ?  

TLS Online TPP Program

#Question id: 24138

#General Aptitude

SPY : CLANDESTINE

TLS Online TPP Program

#Question id: 1382

#Unit 4. Cell Communication and Cell Signaling

Following statements are regarding to cell-cell and cell–extracellular matrix junctions and their adhesion molecules.

A. Adherens junctions and desmosomes are integrin-containing anchoring junctions that bind the membranes of adjacent cells, giving strength and rigidity to the entire tissue.

B. Hemidesmosomes are cadherin-containing anchoring junctions that attach cells to elements of the underlying extracellular matrix.

C. Integrins are a large family of αβ heterodimeric cell-surface proteins that mediate both cell-cell and cell-matrix adhesions and inside-out and outside-in signaling in numerous tissues.

D. Tight junctions block the diffusion of proteins and some lipids in the plane of the plasma membrane, contributing to the polarity of epithelial cells. They also limit and regulate the extracellular (paracellular) flow of water and solutes from one side of the epithelium to the other.

Which of the following statements are incorrect?