Propane (C₃H₈) burns in this reaction:

C₃H₈ + 5O₂ = 4H₂O + 3CO₂

If 200 g of propane is burned, how many g of H2O is produced?

TLS Online TPP Program

#Question id: 15672

#Section 6: Plant, Animal and Microbial Biotechnology

Late log phase of the bacterial growth curve

TLS Online TPP Program

#Question id: 12999

#Section 2: General Biology

Proline and glycine both disturb the symmetry of α-helix which of the following are true regarding to these two amino acids

a) proline changes the orientation of hetropolymeric α-helix hence proline can be placed only as 1st amino acid residue near to C-terminus 

b) proline changes the orientation of polymeric α-helix hence proline can be placed only as 1st amino acid residue near to N-terminus

c) glycine disrupts the heteropolymeric α-helix by changing the helicity.

d) homopolymer of proline and glycine can form stable helix. 

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#Question id: 3707

#Section 3: Genetics, Cellular and Molecular Biology

The replication of DNA is ________ because ________.

TLS Online TPP Program

#Question id: 1398

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following properties is (are) characteristic of a benign tumor?

a. well differentiated              b. localized to tissue of origin             c. metastatic               

d. promotes angiogenesis        e. surrounded by a fibrous capsule

TLS Online TPP Program

#Question id: 1604

#Section 2: General Biology

Many viruses produce a protein immunoevasin that interferes with antigen presentation by MHC class I molecules. The immunoevasin interfere MHC presentation by