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TLS Online TPP Program

#Question id: 346

The partial negative charge in a molecule of water occurs because ________.

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. the oxygen atom donates an electron to each of the hydrogen atoms

  2. the electrons shared between the oxygen and hydrogen atoms spend more time around the oxygen atom nucleus than around the hydrogen atom nucleus

  3. the oxygen atom has two pairs of electrons in its valence shell that are not neutralized by hydrogen atoms

  4. one of the hydrogen atoms donates an electron to the oxygen atom

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TLS Online TPP Program

#Question id: 12742

#Unit 13. Methods in Biology

What will happen if too much antigen is present in the Agglutination process?
TLS Online TPP Program

#Question id: 3659

#Unit 3. Fundamental Processes

In eukaryotes, gap filling in BER involves predominantly DNA polymerase β whereas the longer gaps generated in NER are filled by:
TLS Online TPP Program

#Question id: 587

#Unit 1. Molecules and their Interaction Relevant to Biology

The concentrations of enzymes are determined by using pseudo first-order conditions in which
TLS Online TPP Program

#Question id: 12568

#Unit 10. Ecological Principles

Which of the following would a landscape ecologist consider in designing a nature reserve? 
TLS Online TPP Program

#Question id: 19296

#Unit 13. Methods in Biology

Which vectors carry the longest foreign DNA fragments?