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TLS Online TPP Program

#Question id: 1287

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

#SCPH05 I Biotechnology

  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: 776

#SCPH01 Biochemistry

The type of silencing involved in miRNA is:
TLS Online TPP Program

#Question id: 19707

#SCPH01 Biochemistry

Currents caused by opening of which of the following channels contribute to the repolarization phase of the action potential ofventricular muscle fibers?
TLS Online TPP Program

#Question id: 13083

#SCPH05 I Biotechnology

The genomic DNA of an organism is digested with two restriction enzymes; one of the, PstI (CTGCA/G), while the other., MseI (T/TAA). This would generate the following 3 types of DNA fragments: 
(1) both ends cleaved by PstI (Pst-Pst), 
(2) both ends cleaved by MseI (Mse-Mse), and 
(3) one end generated by each of the two enzymes (Pst-Mse). 
the most frequent fragments in decreasing order,
TLS Online TPP Program

#Question id: 3673

#SCPH28 | Zoology

Which is a characteristic of E. coli DNA polymerases?
TLS Online TPP Program

#Question id: 11671

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

Which process in the nephron is least selective?