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TLS Online TPP Program

#Question id: 31101

Each actin molecule carries a tightly bound ATP molecule. Hydrolysis of ATP: 

#Unit 2. Cellular Organization
  1. Reduces the binding affinity of the subunit for neighboring subunits and makes it more likely to dissociate
  2. Increases the binding affinity of the subunit for neighboring subunits and makes it more likely to dissociate
  3. Reduces the binding affinity of the subunit for neighboring subunits and makes it more likely to associate
  4. Increases the binding affinity of the subunit for neighboring subunits and makes it more likely to associate
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TLS Online TPP Program

#Question id: 10552

#Unit 6. System Physiology – Plant

Inactive NBS–LRR receptor activated by binding with the effector molecules with decoys or guardees directly triggering the defense response by stimulating______A_______ into the cell and ______B_________ out of the cell.
TLS Online TPP Program

#Question id: 2249

#Unit 2. Cellular Organization

In intestinal lumen epithelial cells, which of the following occurs by passive transport?

a. import of Na+ on the apical side    

b. export of Na+ on the basal side

c. import of glucose on the apical side           

d. export of glucose on the basal side
TLS Online TPP Program

#Question id: 28985

#Unit 7. System Physiology – Animal

Norepinephrine is formed by which of the following process?
I- hydroxylation followed by decarboxylation of tyrosine
II- by conversion of dopamine in presence of dopamine β -hydroxylase enzyme
TLS Online TPP Program

#Question id: 33982

#Unit 2. Cellular Organization

A. Chromosomes occupy chromosome territories in the nucleus and very much entangled with each other. 
B. Heterochromatic regions, silenced genes, and gene-sparse regions of chromosomes are typically localized to the nuclear periphery and center of nucleus. 
C. Active genes are often found at the borders and of chromosome territories
D. Active genes from several chromosomes may cluster in inter-chromosomal territories that are enriched in transcription machinery

Choose true and false
TLS Online TPP Program

#Question id: 3651

#Unit 3. Fundamental Processes

__________________is spontaneous hydrolytic reaction that involves cleavage of the N-glycosylic bond between N-9 of the purine bases A and G and C-1 of the deoxyribose sugar and hence loss of purine bases from the DNA.