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TLS Online TPP Program

#Question id: 10321

The human blood groups (O, A, B) are determined in part by the oligosaccharide head groups of these glycosphingolipids. Which of the following is correct?


#Unit 1. Molecules and their Interaction Relevant to Biology
  1. 1-A antigen, 2-B antigen, 3-O antigen
  2. 1- O antigen, 2-A antigen, 3-B antigen
  3. 1-B antigen, 2-O antigen, 3-A antigen
  4. 1-O antigen, 2-B antigen, 3-A antigen
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TLS Online TPP Program

#Question id: 14146

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following

A. Cyanide 1. Inhibit cytochrome oxidase

B. Piericidin A 2. Prevent electron transfer from Fe-S center to ubiquinone

C. Antimycin A 3. Blocks electron transfer from cytochrome b to cytochrome c1

D. Valinomycin 4. K+ ionophore
TLS Online TPP Program

#Question id: 12543

#Unit 10. Ecological Principles

Use Figure to answer the following questions. Examine this food web for a particular terrestrial ecosystem. Each letter is a species. The arrows represent energy flow.

Which species is most likely an omnivore?
TLS Online TPP Program

#Question id: 186

#Unit 1. Molecules and their Interaction Relevant to Biology

What will be the net charge on given peptide at pH 5?
TLS Online TPP Program

#Question id: 1043

#Unit 4. Cell Communication and Cell Signaling

Nematodes
TLS Online TPP Program

#Question id: 3265

#Unit 11. Evolution and Behavior

If the curve shifts to the left or to the right, there is no gene flow, and the population size consequently increases over successive generations, then which of these is (are) probably occurring?