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TLS Online TPP Program

#Question id: 2066

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?

#I Life Science/ Life Sciences Group – I-V

  1. It exhibits specificity for a particular type of molecule.

  2. It requires the expenditure of cellular energy to function.

  3. It works against diffusion.

  4. It has no hydrophobic regions.

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TLS Online TPP Program

#Question id: 12911

#SCPH05 I Biotechnology

Match the following:
A. DNA polymerases              i. Alkaline phosphatase        a.RNA-dependent DNA polymerase, used in cDNA synthesis
B. Reverse transcriptase        ii. T4 DNA ligase                    b. Thermostable DNA polymerase used in PCR
C. Ligases                                 iii.  AMV-RT                            c. Removes 5′-phosphates from DNA and RNA
D. Phosphatases                     iv. Taq DNA pol                      d. Links 5′-phosphate and 3′-hydroxyl ends via phosphodiester bond
TLS Online TPP Program

#Question id: 344

#SCPH05 I Biotechnology

The partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. What is this attraction called?
TLS Online TPP Program

#Question id: 19346

#SCPH28 | Zoology

Which one of the following measures changes in heat?
TLS Online TPP Program

#Question id: 4338

#SCPH01 Biochemistry

Altering patterns of gene expression in prokaryotes would most likely serve an organism's survival by __.
TLS Online TPP Program

#Question id: 15866

#SCPH05 I Biotechnology

Tissues and cells cultured in a liquid medium produce a single cells and cells clumps of few to many cells; these are called;