Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 4994
TLS Online TPP Program

#Question id: 5207

Why is it unwise to try to relate an organismʹs complexity with its size or number of cells?

#Unit 11. Evolution and Behavior

  1. A very large organism may be composed of very few cells or very few cell types.

  2. A single-celled organism, such as a bacterium or a protist, still has to conduct all the complex life functions of a large multicellular organism.

  3. A single-celled organism that is also eukaryotic, such as a yeast, still reproduces mitotically.

  4. A simple organism can have a much larger genome.

More Questions
TLS Online TPP Program

#Question id: 3775

#Unit 3. Fundamental Processes

What are telomeres?
TLS Online TPP Program

#Question id: 24520

#Unit 11. Evolution and Behavior

which of the following characteristics that are involved to enhances the survival and reproduction of organisms that bear it ?
TLS Online TPP Program

#Question id: 28534

#Unit 5. Developmental Biology

 Which of the following genes limit the number of undifferentiated meristem cells?
TLS Online TPP Program

#Question id: 29466

#Unit 6. System Physiology – Plant

EGTA [ethylene glycol-bis(b-aminoethyl ether) N,N,N′,N′-tetraacetic acid], a compound that can  
a. Introduce Ca2+ 
b. chelate Ca2+ 
c. prevents Ca2+ uptake by cells 
d. inhibits root gravitropism
Which of the following is correct
TLS Online TPP Program

#Question id: 1237

#Unit 4. Cell Communication and Cell Signaling

Arrange the following events in the proper order in which they occur during transduction of the Notch/Delta signaling pathway:

a. cleavage of Notch by TACE                                  

b. binding of Delta to Notch

c. translocation of Notch segment to the nucleus      

d. interaction of Notch with transcription factors     

e. cleavage of Notch by Presenilin 1