Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 4735
TLS Online TPP Program

#Question id: 4948

RNA molecules can both carry genetic information and be catalytic. This supports the proposal that 

#Unit 11. Evolution and Behavior

  1. RNA was the first hereditary information.

  2. protobionts had an RNA membrane.

  3. RNA could make energy.

  4. free nucleotides would not have been necessary ingredients in the synthesis of new RNA molecules.

More Questions
TLS Online TPP Program

#Question id: 26860

#Unit 10. Ecological Principles

Trophic-level transfer efficiency is low for which reason?
TLS Online TPP Program

#Question id: 33369

#Unit 1. Molecules and their Interaction Relevant to Biology

Max Perutz proposed that the T to R transition is triggered by 
TLS Online TPP Program

#Question id: 2429

#Unit 2. Cellular Organization

Which of the following statements is (are) true of actin assembly?

a. ADP-actin can assemble into filaments.    

b. Actin (+) ends grow faster than actin (-) ends.

c. ATP-actin can assemble into filaments.

d. Toxins that alter the assembly of actin filaments have been used as tools to study actin in living cells.
TLS Online TPP Program

#Question id: 1033

#Unit 4. Cell Communication and Cell Signaling

 A research lab is trying to produce new antibiotics. They come up with drugs that detach the hydrophilic heads from the phospholipids in plasma membranes. This drug
TLS Online TPP Program

#Question id: 6582

#General Aptitude

14

36

 

20

50

36

 

54

25

25

 

20

10

07

 

?