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TLS Online TPP Program

#Question id: 692

 In the alpha helix the hydrogen bonds:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. are roughly parallel to the axis of the helix.

  2. are roughly perpendicular to the axis of the helix.

  3. occur mainly between electronegative atoms of the R groups.

  4. occur only between some of the amino acids of the helix.

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TLS Online TPP Program

#Question id: 707

#Unit 1. Molecules and their Interaction Relevant to Biology

A repeating structural unit in a multimeric protein is known as a(n):
TLS Online TPP Program

#Question id: 12729

#Unit 13. Methods in Biology

When the two antiparallel strands of DNA are held together partly by the weak forces between complementary bases and partly by hydrophobic interaction between adjacent , stacked base pairs termed as_____
TLS Online TPP Program

#Question id: 5059

#Unit 5. Developmental Biology

The responding tissue has already been specified and needs only an environment that allows the expression of these traits, process called as
TLS Online TPP Program

#Question id: 10994

#Unit 7. System Physiology – Animal

When recording lead II on an EKG, the positive electrode is the
TLS Online TPP Program

#Question id: 24538

#Unit 11. Evolution and Behavior

Match the following  evolutionary process  with their examples according to the fixation of allele by evolutionary process;