TLS Online TPP Program

#Question id: 3674


Which property is shared by E. coli DNA polymerase I and DNA polymerase III?

#Unit 3. Fundamental Processes
  1. Both enzymes require a template that can be either DNA or RNA.

  2. Both enzymes require a primer that can be either DNA or RNA.

  3. Both enzymes can use pyrophosphate as a substrate.

  4. Both enzymes can make and break N-glycosidic bonds.

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TLS Online TPP Program

#Question id: 3581

#Unit 8. Inheritance Biology

What is the probability that each of the following pairs of parents will produce the indicated offspring? (Assume independent assortment of all gene pairs.)

(a) AABBCc X  aabbcc → AaBbCc          (b) AABbCc  X AaBbCc → AAbbCC

(c) AaBbCc  X AaBbCc → AaBbCc         (d) aaBbCC  X  AABbcc → AaBbCc

TLS Online TPP Program

#Question id: 28700

#Unit 2. Cellular Organization

Biosynthesis of all N-linked oligosaccharides begins in the rough ER with a preformed branched oligosaccharide precursor Glc3Man9(GlcNAc)2, Which of the following statements is incorrect about these biosynthesis?
a) the oligosaccharide precursor is assembled on a membrane- attached anchor called dolichol phosphate
b) First sugar residue is attached to dolichol by a glycosidic bonds & the other
sugars are added by high-energy pyrophosphate
c) Two N- acetylglucosamine (GlcNAc) and five mannose residues are added one at a time to a dolichol phosphate on the lumen
d) Four mannose and three glucose  residue are added one to a dolichol phosphate on the luminal side

TLS Online TPP Program

#Question id: 32406

#Unit 1. Molecules and their Interaction Relevant to Biology

Find the order in which they appear in the TCA cycle.


TLS Online TPP Program

#Question id: 34129

#Unit 7. System Physiology – Animal

Mole for mole, which of the following has the greatest effect on plasma osmolality?

TLS Online TPP Program

#Question id: 8685

#Unit 9. Diversity of Life Forms

Which of the following would be most useful in creating a phylogenetic tree of a taxon?