TLS Online TPP Program

#Question id: 1737


The carrier T-cell epitope on a thymus-dependent antigen:

#Unit 4. Cell Communication and Cell Signaling
  1. Behaves like a hapten

  2. Needs to be polymeric

  3. Need not be physically connected to the B-cell epitope

  4. Stimulates help for the B-cell response

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TLS Online TPP Program

#Question id: 928

#Unit 1. Molecules and their Interaction Relevant to Biology

 Which enzyme is the major regulatory control point for B-oxidation?

TLS Online TPP Program

#Question id: 927

#Unit 1. Molecules and their Interaction Relevant to Biology

In the disease sprue, vitamin B12 (cobalamin) is poorly absorbed in the intestine, resulting in B12 deficiency. If each of the following fatty acids were in the diet, for which one would the process of fatty acid oxidation be most affected in a patient with sprue?

TLS Online TPP Program

#Question id: 5005

#Unit 11. Evolution and Behavior

Fossilized stromatolites

TLS Online TPP Program

#Question id: 8968

#Unit 9. Diversity of Life Forms

Which of the following statements concerning animal taxonomy is (are) true?
1. Animals are more closely related to plants than to fungi.
2. All animal clades based on body plan have been found to be incorrect.
3. Kingdom Animalia is monophyletic.
4. Only animals reproduce by sexual means.
5. Animals are thought to have evolved from flagellated protists similar to modern choanoflagellates.

TLS Online TPP Program

#Question id: 19313

#Unit 4. Cell Communication and Cell Signaling

Match the following effector molecules with their pathogen
     

    

        Pathogen

     

    Effector molecules

 

        Function

 

A) Fusicoccum amygdali

 

i) HC‐toxin

 

a) inhibits salicylic acid (SA)‐mediated defense responses

 

 

B) Cochliobolus carbonum

 

ii) Coronatine

 

b) Constitutively activates the plasma membrane H+‐ATPase

 

 

C) Pseudomonas syringae

 

iii) Fusicoccin

 

c) Inhibits histone deacetylase activity

 

 

 

 

d) Opening of stomata