TLS Online TPP Program

#Question id: 28357


 what is the function of the gene tudor (tud) & oskar (osk) and if it is mutated that leads to____

#Unit 5. Developmental Biology
  1. It anchors bicoid mRNA, mutant form of gene leads to deletion of anterior head structure 
  2.  they involves to localization of nanos mRNA, mutant form of gene leads to two telson
  3. it involves to localized the nanos mRNA, mutant form of gene leads to no abdomen in the phenotypes
  4. they Graded anterior morphogen, mutant form of gene leads to replacement of head by inverted telson
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TLS Online TPP Program

#Question id: 2153

#Unit 2. Cellular Organization

Membrane phospholipids include

a. cholesterol.            

b. plasmologens.        

c. sphingolipids.         

d. triglycerides.                      

e. bile acids.

TLS Online TPP Program

#Question id: 2154

#Unit 2. Cellular Organization

Membrane lipids are distributed appropriately between the two leaflets of a given membrane by

a. dockases.    

b. trumpases.              

c. fatty acid desaturases.        

d. flippases.    

e. transmembrane tunnelases.

TLS Online TPP Program

#Question id: 2155

#Unit 2. Cellular Organization

Cholesterol is

a. unrelated to any plant lipids.                     

b. not found in chloroplast membranes.

c. encoded by an intron-containing gene on chromosome 23.

d. relatively abundant in the plasma membrane and endocytic membranes.

e. synthesized in the ER.

TLS Online TPP Program

#Question id: 2156

#Unit 2. Cellular Organization

Proteins known to be involved in Golgi apparatus independent transport of lipids include

a. StAR protein.                                 

b. Neimann-Pick C1 (NPC1) protein.

c. HMG CoA reductase.                    

d. acyl:cholesterol acyl transferase (ACAT).

e. cholesterol 7α-hydroxylase.  

TLS Online TPP Program

#Question id: 2157

#Unit 2. Cellular Organization

Which of the following is not a metabolic derivative of cholesterol?

a. dolichol                  

b. vitamin D               

c. bile acids    

d. v-SNARE molecules                     

e. NSF

TLS Online TPP Program

#Question id: 2158

#Unit 2. Cellular Organization

Which of the following factors increase(s) the rate of simple (passive) diffusion of a solute across a phospholipid bilayer?