First forest plants appeared in which geological period time scale?

TLS Online TPP Program

#Question id: 4968

#SCPH28 | Zoology

Which of these observations fails to support the endosymbiotic theory for the origin of eukaryotic cells?

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#Question id: 14828

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

Pili are usually longer than fimbriae and number only one or two per cell. Pili are involved in motility and DNA transfer. The type of motility, called 

1. Extrusion

2. Somersaulting

3. Twitching motility 

4. Gliding motility

Which combination from the following is correct?

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#Question id: 1571

#SCPH28 | Zoology

Double-stranded RNA (dsRNA) recognize by

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#Question id: 3911

#SCPH28 | Zoology

When a sequence of double-strand DNA is displayed

TLS Online TPP Program

#Question id: 4914

#SCPH06 I Botany

German scientist Carl Correns found that the inheritance of variegated color on the leaves of certain plants was determined only by the maternal parent. What phenomenon explains this pattern of inheritance?