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TLS Online TPP Program

#Question id: 300

Hydrogen bonding occurs in molecules when ___________________.

#XL - Q Biochemistry

  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: 12028

#XL - T Zoology

Coprophagy is important for the nutritional balance of ________.
TLS Online TPP Program

#Question id: 394

#XL - S Microbiology

What will be the H+ ion concentration in a solution prepared by mixing 50.0 mL of 0.20 M NaCl, 25 mL of 0.10M NaOH and 25.0 mL of 0.30M HCl?
TLS Online TPP Program

#Question id: 19571

#XL - P Chemistry

The increasing order of atomic radii of the following group 13 elements are:
TLS Online TPP Program

#Question id: 17673

#XL - S Microbiology

transport of water, minerals, and nutrients 
TLS Online TPP Program

#Question id: 4625

#XL - S Microbiology

During a study session about evolution, one of your fellow students remarks, ʺThe giraffe stretched its neck while reaching for higher leaves; its offspring inherited longer necks as a result.ʺ Which statement is most likely to be helpful in correcting this studentʹs misconception?