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#Question id: 10794

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

#I Life Science/ Life Sciences Group – I-V
  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: 4739

#SCPH28 | Zoology

Inheritance of leaf variegation in the four-o’clock plant, Mirabilis jalapa. the leaves and shoots of one variety of four-o’clock were variegated, displaying a mixture of green and white splotches. If  Flowers on the variegated branches gave rise to
TLS Online TPP Program

#Question id: 2069

#SCPH05 I Biotechnology

Which of the following processes includes all of the others?
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#Question id: 800

#SCPH05 I Biotechnology

Following table lists the two major forms of DNA duplexes, conformation of base attached to the sugar and the nature of major and minor grooves.

DNA duplex

Properties

(A)  A form

(i) Syn conformation of the base to sugar

(B)  B form

(ii) Anti conformation of the base to sugar

 

(iii) Wide major groove

 

(iv) Narrow major groove

 

(v) Wide minor groove 

 

(vi) Narrow minor groove 

 

(vii) C-3’ endo sugar puckering

 

(viii) C-2’ endo sugar puckering

TLS Online TPP Program

#Question id: 23175

#SCPH06 I Botany

If we use a high-intensity light on to the fluorochrome there will initially be 
TLS Online TPP Program

#Question id: 5435

#SCPH06 I Botany

A polygenic trait is controlled by three genes-A, B and C. In a cross, AaBbCc x AaBbCc, what is a probability of intermediate phenotype offspring?