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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: 12924

#XL - S Microbiology

In order to quantify unknown DNA templates, a standard dilution is prepared using DNA of known concentration. As the DNA accumulates during the early exponential phase of the reaction,an arbitrary point is taken where each of the diluted DNA samples cross. This is termed as_____
TLS Online TPP Program

#Question id: 18388

#XL - S Microbiology

Remediation of Xenobiotics are done because they cause various hazards
TLS Online TPP Program

#Question id: 14812

#XL - S Microbiology

Size and foreignness are not, by themselves, sufficient to make a molecule immunogenic; other properties are needed as well. Which one is not correct immunogenic properties?
TLS Online TPP Program

#Question id: 4577

#XL - S Microbiology

Which of these is a statement that Darwin would have rejected?
TLS Online TPP Program

#Question id: 20041

#XL - P Chemistry

How many electrons in K (Z=19) have n=4 and