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TLS Online TPP Program

#Question id: 23582

Properties of cloning vectors include each of the following, except

#Unit 13. Methods in Biology
  1. they may contain sequences which allow them to be replicated autonomously within a compatible host cell.
  2. they may contain sequences which enable integration into the host genome.
  3. only a select few of them may have a unique cloning site which can be cut by restriction endonucleases.
  4. the most important vectors have restriction sites which are grouped together in a polylinker.
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TLS Online TPP Program

#Question id: 2697

#Unit 2. Cellular Organization

Which of the following is an example of an inverted repeat?
TLS Online TPP Program

#Question id: 1977

#Unit 4. Cell Communication and Cell Signaling

A patient can produce antibodies against some bacterial pathogens, but he does not produce antibodies against viral infections. This is probably due to a disorder in which cells of the immune system?
TLS Online TPP Program

#Question id: 28815

#Unit 2. Cellular Organization

In which case the myosin head is firmly attached to the actin filament?
TLS Online TPP Program

#Question id: 2298

#Unit 2. Cellular Organization

The endoplasmic reticulum and ribosomes are both involved in   
TLS Online TPP Program

#Question id: 447

#Unit 1. Molecules and their Interaction Relevant to Biology

In glycolysis, fructose 1,6-bisphosphate is converted to two products with a standard free-energy change (DG'°) of 23.8 kJ/mol.  Under what conditions encountered in a normal cell will the free-energy change (DG) be negative, enabling the reaction to proceed spontaneously to the right?