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TLS Online TPP Program

#Question id: 1287

Biological roles of proteoglycans and hyaluronan include all of the following, except:

#Section 3: Genetics, Cellular and Molecular Biology

  1. maintenance of porosity for the diffusion of small molecules between cells and tissues.

  2. presentation of growth factors to cells.

  3. resistance to compression.

  4. storage sites for extracellular energy reserves.

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TLS Online TPP Program

#Question id: 14388

#Section 1: Engineering Mathematics

 If A is an invertible matrix of order 2, then det (A^-1) is equal to 
TLS Online TPP Program

#Question id: 14389

#Section 1: Engineering Mathematics

Find the area of the triangle whose vertices are (-2, 6), (3, -6) and (1, 5).
TLS Online TPP Program

#Question id: 14390

#Section 1: Engineering Mathematics

If the points (2, -3), (k, -1) and (0, 4) are collinear, then find the value of 4k. 
TLS Online TPP Program

#Question id: 14391

#Section 1: Engineering Mathematics

Find the area of the triangle with vertices P(4, 5), Q(4, -2) and R(-6, 2).
TLS Online TPP Program

#Question id: 14392

#Section 1: Engineering Mathematics

 If  , then the value of x is 
TLS Online TPP Program

#Question id: 14393

#Section 1: Engineering Mathematics

If the system of equations 2x + 3y + 5 = 0, x + ky + 5 = 0, kx — 12y — 14 = 0 has non-trivial solution, then the value of k is