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TLS Online TPP Program

#Question id: 10794

Which one of the following characteristics of about lignin is incorrect?

#Unit 6. System Physiology – Plant
  1.  Most abundant organic substance in plants and a highly branched polymer of phenylpropanoid groups
  2. lignins are involved in plant–animal interactions, helping to attract animals to flowers and fruit by providing visual and olfactory signals
  3. lignin has significant protective functions in plants, Its physical toughness deters feeding by animals, and its chemical durability makes it relatively indigestible to herbivores

  4. Lignin is generally formed from three different phenylpropanoid alcohols: coniferyl, coumaryl, and sinapyl, alcohols which are synthesized from phenylalanine

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TLS Online TPP Program

#Question id: 11688

#Unit 7. System Physiology – Animal

During the 12-hr period preceding ovulation, which of the following is true?
TLS Online TPP Program

#Question id: 28904

#Unit 4. Cell Communication and Cell Signaling

There are some given examples of antagonists of Wnt, except?
TLS Online TPP Program

#Question id: 3636

#Unit 8. Inheritance Biology

A man with type A blood group marries a woman with type A blood group. Their first child has type O blood. What is the genotype of the Man, proportion of his gametes are expected to contain the IA allele, and probability that their next child will have type A blood respectively:
TLS Online TPP Program

#Question id: 4173

#Unit 3. Fundamental Processes

Different codons that specify the same amino acid are called __ codons.
TLS Online TPP Program

#Question id: 28308

#Unit 5. Developmental Biology

Capacitated mammalian sperm has the capacity to sense thermal differences such as