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TLS Online TPP Program

#Question id: 4895

What is the difference between a linkage map and a physical map?

a) Genetic maps are based on recombination frequencies, but physical maps are based on restriction digestion.

b) Physical DNA map describes the absolute position of genes on a chromosome while genetic map so variable

c) Genetic maps are important to identify the origin of diseases, whether they are inherited or arise due to a random mutation.

#Unit 8. Inheritance Biology

  1. Only a   

  2. only a & b    

  3. only b & c   

  4. All

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TLS Online TPP Program

#Question id: 30696

#Unit 1. Molecules and their Interaction Relevant to Biology

In the pathways for the breakdown of GM1, globoside, and sphingomyelin to ceramide, the ratio of residue  Glc ,Gal, GalNAc, Neu5Ac changes with different compound

Which of the following is incorrectly paired
TLS Online TPP Program

#Question id: 30697

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true regarding Plasmalogen and Platelet-activating factor

a. The head group of Plasmalogen – ethanolamine
b. The head group of Plasmalogen – choline
c. The head group of Platelet-activating factor – ethanolamine
d. The head group of Platelet-activating factor – choline
TLS Online TPP Program

#Question id: 31014

#Unit 4. Cell Communication and Cell Signaling

If the insulin concentration rises fivefold to 2.5 × 10−11 M, as it does after a meal, and the Kd for binding of insulin to its receptor on liver cells, 1.4 × 10−10 M (0.14 nM). What fraction of insulin receptors with bound insulin? 
TLS Online TPP Program

#Question id: 31015

#Unit 4. Cell Communication and Cell Signaling

A ligand binds two different receptors with a Kd value of 10−7 M for receptor 1 and a Kd value of 10−9 M for receptor 2. For which receptor does the ligand show the greater affinity?
TLS Online TPP Program

#Question id: 31016

#Unit 4. Cell Communication and Cell Signaling

Epinephrine binding to its receptor stimulates:
TLS Online TPP Program

#Question id: 31017

#Unit 4. Cell Communication and Cell Signaling

When the signaling molecules are synthesized and secreted by signaling cells, transported through the circulatory system and finally act on target cells distant from their site of synthesis, called as: