TLS Online TPP Program

#Question id: 10973


An 11-year-old premenstrual female presents with a painful knee after mild trauma. Upon further evaluation you observe soft tissue bruises. The child is an orphan and there is no family history. The foster mother reports no other problems. The aPTT is prolonged and the PT is normal. A complete hematologic workup would yield

#Unit 7. System Physiology – Animal
  1. decreased plasma Ca2+
  2. elevated plasmin
  3. lack of factor VIII
  4. decreased platelet number
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TLS Online TPP Program

#Question id: 650

#Unit 1. Molecules and their Interaction Relevant to Biology

On the basis of hypothetical binding curve given below, which of the following statement is INCORRECT

TLS Online TPP Program

#Question id: 649

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose INCORRECT statement from the following

TLS Online TPP Program

#Question id: 648

#Unit 1. Molecules and their Interaction Relevant to Biology

Enzyme catalysis is regulated by a number of mechanisms. Also, the flux through metabolic pathways must be regulated. Given the metabolic pathway below, which choice accurately describes the regulation of compound G levels?

TLS Online TPP Program

#Question id: 647

#Unit 1. Molecules and their Interaction Relevant to Biology

For the hypothetical reversible reaction where S is converted to P, the rate constant for the forward reaction is 105 s-1 while that of the backward reaction is 101 s-1. If the reaction is catalyzed by an enzyme, the rate constant for the forward reaction increases 100-fold. What will be the equilibrium constant of the enzyme catalyzed reaction?

TLS Online TPP Program

#Question id: 646

#Unit 1. Molecules and their Interaction Relevant to Biology

Many biosynthetic pathways are regulated by feedback inhibition of enzymes. In a particular type of feedback inhibition, two endproducts individually do not inhibit an enzyme upstream in the pathway at all, but when both are present they inhibit the same enzyme significantly. What type of feedback inhibition do these inhibitors represent?

TLS Online TPP Program

#Question id: 645

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the correct combination of marker enzymes used to identify different organelles during subcellular fractionation of eukaryotic tissue?