TLS Online TPP Program

#Question id: 2094


Porins

#Section 3: Genetics, Cellular and Molecular Biology
  1. are peripheral membrane proteins.

  2. contains no hydrophobic amino acid residues.

  3. have many hydrophobic alpha-helical regions.

  4. allows small hydrophilic molecules to pass through a membrane.

More Questions
TLS Online TPP Program

#Question id: 2945

#Section 3: Genetics, Cellular and Molecular Biology

Separation of spindle poles during spindle formation and anaphase B most likely depends on which of the following?

TLS Online TPP Program

#Question id: 14223

#Section 5: Bioprocess Engineering and Process Biotechnology

A furnace wall is constructed of firebrick 15-cm thick. The temperature inside the wall is 700⁰C the temperature outside is 80⁰C. If the thermal conductivity of the brick under these conditions is 0.3 W m-1 K^-1, what is the rate of heat loss through 1.5 m2 of wall surface?

TLS Online TPP Program

#Question id: 2110

#Section 2: General Biology

According to the fluid mosaic model of cell membranes, phospholipids:

TLS Online TPP Program

#Question id: 2527

#Section 3: Genetics, Cellular and Molecular Biology

Transpirational water flow in the xylem requires a mechanically strong wall that resists from,

TLS Online TPP Program

#Question id: 13102

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

 With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.
 

 Why is it that having more repeats leads to a band that is higher in the gel?