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TLS Online TPP Program

#Question id: 18872

Which of the following statements is true of archegonia? 

#Unit 9. Diversity of Life Forms
  1. They are the sites where male gametes are produced
  2. They may temporarily contain sporophyte embryos 
  3. They are the same as sporangia 
  4. They are the ancestral versions of animal gonads
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TLS Online TPP Program

#Question id: 18593

#Unit 11. Evolution and Behavior

Some important events in the history of life on Earth are given below.
A. First dinosaurs appeared.
B. First reptiles appeared.
C. First insect fossils appeared.
D. First toothed birds appearance.
E. First wingless insect appeared.
F. Mammals like reptile arise
Match the above with the geological time periods and choose the correct combination,
TLS Online TPP Program

#Question id: 5308

#Unit 11. Evolution and Behavior

What can proteomics reveal that genomics cannot?
TLS Online TPP Program

#Question id: 1573

#Unit 4. Cell Communication and Cell Signaling

Which cells and which signaling molecules are responsible for initiating an inflammatory response?
TLS Online TPP Program

#Question id: 3888

#Unit 3. Fundamental Processes

Which of these polymerases does not require a template?
TLS Online TPP Program

#Question id: 19103

#Unit 4. Cell Communication and Cell Signaling

During infection, most bacteria remain in extracellular spaces and use a specialized mechanism, to deliver bacterial effector proteins into the plant cell that is