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TLS Online TPP Program

#Question id: 23841

Which step of myosin movement along the actin filament is performed in the absence of ATP?

#Unit 2. Cellular Organization
  1. Release of myosin head from the actin filament.
  2. The myosin head is firmly attached to the actin filament.  
  3. Myosin head grabs the actin filament tightly.
  4. Myosin head step out between actin filaments.
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TLS Online TPP Program

#Question id: 14086

#Unit 1. Molecules and their Interaction Relevant to Biology

The proportion of Major groove in A-DNA is 
TLS Online TPP Program

#Question id: 4310

#Unit 3. Fundamental Processes

Which of the following processes destroys RNA molecules in a cell if they have a sequence complementary to an introduced double-stranded RNA?
TLS Online TPP Program

#Question id: 5057

#Unit 5. Developmental Biology

The major factor which is important in providing the competence for the ectoderm to respond to the inducers from the optic cup-
TLS Online TPP Program

#Question id: 9210

#Unit 9. Diversity of Life Forms

Overharvesting encourages extinction and is most likely to affect ________.
TLS Online TPP Program

#Question id: 12375

#Unit 10. Ecological Principles

When lichens grow on bare rock, they may eventually accumulate enough organic material around them to supply the foothold for later rooted vegetation. These early pioneering lichens can be said to do what to the later arrivals?