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TLS Online TPP Program

#Question id: 2117

Which of the following statements correctly describes osmosis?

#Unit 2. Cellular Organization

  1. Osmosis only takes place in red blood cells.

  2. Osmosis is an energy-demanding or "active" process.

  3. In osmosis, water moves across a membrane from areas of lower solute concentration to areas of higher solute concentration.

  4. In osmosis, solutes move across a membrane from areas of lower water concentration to areas of higher water concentration.

More Questions
TLS Online TPP Program

#Question id: 26578

#Unit 3. Fundamental Processes

According to the "wobble hypothesis" inosine at the third position of the anticodon cannot form hydrogen bonds with
TLS Online TPP Program

#Question id: 26579

#Unit 3. Fundamental Processes

Selenocysteine is generated enzymatically from serine carried on a special tRNA that is charged by
TLS Online TPP Program

#Question id: 26580

#Unit 3. Fundamental Processes

Match the following

 Bacterial IF Function
 a. IF-1

 1. Binds to 30S subunit; prevents premature association of 50S subunit; 

 enhances specificity of P site for fMet-tRNA TM Met

 b. IF-2 2. Facilitates binding of fMet-tRNA Met to 30S ribosomal subunit
 c. IF-4 3. Prevents premature binding of tRNAs to A site
TLS Online TPP Program

#Question id: 26581

#Unit 3. Fundamental Processes

Which of the following is an antibiotic that inhibits the function of EF-Tu blocks its release from A site
TLS Online TPP Program

#Question id: 26582

#Unit 3. Fundamental Processes

Select the incorrect statement
TLS Online TPP Program

#Question id: 26583

#Unit 3. Fundamental Processes

Prokaryotes have two class I release factors called RF1 and RF2, choose the correct statement
a.RF1 recognizes the stop codon UAG, 
b.RF2 recognizes the stop codon UGA.
c.The third stop codon, UAA, is recognized by both RF1 and RF2.