TLS Online TPP Program

#Question id: 1349


The addition of a peptide with an RGD sequence would probably    ?     the binding of cultured cells to a fibronectin-coated dish.

#Unit 4. Cell Communication and Cell Signaling
  1. enhance

  2. inhibit

  3. have no effect on

  4. none of the above

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TLS Online TPP Program

#Question id: 11405

#Unit 10. Ecological Principles

Vulnerability to extinction can be linked to species following characteristics. Which of the following statement are correct?

A. Endemism species are more prone to extinction than fragmented

B. Species that are capable of migrating between fragments of habitat, such as between mainland areas and islands, may be more resistant to extinction

C. Population variability species are less prone to extinct

D. Species with naturally long life spans may be more likely to become extinct

TLS Online TPP Program

#Question id: 23239

#Unit 2. Cellular Organization

Outer membrane of gram negative provides barrier to certain 
1. Antibiotics
2. Lysozyme
3. Detergents
4.Heavy metals
Which of the following are incorrect?

TLS Online TPP Program

#Question id: 10304

#Unit 6. System Physiology – Plant

Pyruvate is coverted into the Acetyl-CoA, Acetyl-CoA contain the acetyl group which are comes from the pyruvate and Coenzyme A (CoA) that contain other groups such as;

a) A reactive thiol (—SH) group that is critical to the role of CoA as an acyl carrier in a number of metabolic reactions

b) contain pantothenic acid,  A hydroxyl group of pantothenic acid is joined to a modified ADP moiety by a phosphate ester bond

c) pantothenic acid carboxyl group is attached to β-mercaptoethylamine in amide linkage

d) Hydroxyl group at the 3’ position of the ADP moiety has a phosphoryl group not present in free ADP

which of the following correct observation about Coenzyme A (CoA)?

TLS Online TPP Program

#Question id: 12796

#Unit 10. Ecological Principles

In which of the following terrestrial biome pairs are both dependent upon periodic burning? 

TLS Online TPP Program

#Question id: 12208

#Unit 7. System Physiology – Animal

Which of the following is produced by the trophoblast cells during the first 3 weeks of pregnancy?