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TLS Online TPP Program

#Question id: 675

Which statement is not true about an α-helix?

#I Life Science/ Life Sciences Group – I-V

  1. It is usually right-handed.

  2. It is a type of secondary structure.

  3. It frequently contains proline residues.  

  4. It is stabilized by hydrogen bonding.

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TLS Online TPP Program

#Question id: 15707

#SCPH01 Biochemistry

Mature and certain differentiated e.g., parenchyma and often colenchyma cells undergo changes to become meristematic, this is called 
TLS Online TPP Program

#Question id: 8684

#SCPH28 | Zoology

Use the following information to answer the question.



Which of the following trees, if any, depicts the same relationship among species as shown above?
TLS Online TPP Program

#Question id: 6944

#SCPH28 | Zoology

Which would lead to a dorsalized embryo? (Recall that genes in Drosophila are named for their mutant phenotype.
TLS Online TPP Program

#Question id: 9052

#SCPH28 | Zoology

Which of the following causes seasons on Earth?
TLS Online TPP Program

#Question id: 5556

#SCPH01 Biochemistry

Contact of a sea urchin egg with signal molecules on sperm causes the egg to undergo a brief ________.