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TLS Online TPP Program

#Question id: 300

Hydrogen bonding occurs in molecules when ___________________.

#Section 2: General Biology

  1. a hydrogen atom forms a covalent bond with another atom.

  2. a hydrogen atom in a molecule forms a bond with any atom.

  3. a hydrogen atom forms an ionic bond with another atom on an adjacent molecule.

  4. a hydrogen atom bonded to F, O or N is attracted to an electron pair on a F, O or N atom on an adjacent molecule.

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TLS Online TPP Program

#Question id: 14117

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Identify the character based method used for the construction of a phylogenetic tree. 
P. Maximum parsimony 
Q. Neighbor joining 
R. Maximum likelihood 
S. Bootstrapping
TLS Online TPP Program

#Question id: 15864

#Section 6: Plant, Animal and Microbial Biotechnology

 In plant tissue culture-callus is__
TLS Online TPP Program

#Question id: 3636

#Section 3: Genetics, Cellular and Molecular Biology

A man with type A blood group marries a woman with type A blood group. Their first child has type O blood. What is the genotype of the Man, proportion of his gametes are expected to contain the IA allele, and probability that their next child will have type A blood respectively:
TLS Online TPP Program

#Question id: 10808

#Section 6: Plant, Animal and Microbial Biotechnology

Many plants also contain unusual amino acids, called nonprotein amino acids, these Nonprotein amino acids are often very similar to common protein amino acids. Canavanine, for example, is a close analog of_____A______, and azetidine-2-carboxylic acid has a structure very much like that of_____B________.
TLS Online TPP Program

#Question id: 17275

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

which of the following statement is incorrect about Clustal?