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TLS Online TPP Program

#Question id: 11746

Sieve element sap is rich in sugars and other organic molecules, These molecules represent an energy investment for the plant. How their loss be prevented when sieve elements are damaged?

#Unit 6. System Physiology – Plant
  1. Short-term sealing mechanisms not involve sap proteins
  2. long-term mechanism for preventing sap loss entails closing sieve plate pores with callose   
  3. For preventing sap loss using smooth endoplasmic reticulum (SER) which covers the sieve areas  
  4. long-term mechanism for preventing sap loss opening of the sieve tube in angiosperm
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TLS Online TPP Program

#Question id: 19277

#Unit 9. Diversity of Life Forms

which of these statements correctly describes a portion of the pine life cycle? 
TLS Online TPP Program

#Question id: 7014

#Unit 5. Developmental Biology

Microglia are often considered the “immune cells” of the central nervous system, since they function:
TLS Online TPP Program

#Question id: 15759

#Unit 12. Applied Biology

Somatic hybrids exhibit the full somatic complement of one parental species, while all or nearly all chromosomes of the other parental species are lost during the preceding mitotic divisions; such hybrids arc referred to as
TLS Online TPP Program

#Question id: 2715

#Unit 2. Cellular Organization

The interaction between the positively charged amino terminus of histone __________ and a negatively charged region of the histone fold domain of histone __________ is particularly important for 30 nm fibre formation.
TLS Online TPP Program

#Question id: 10443

#Unit 6. System Physiology – Plant

What signalling is mediated by photolyase domain of cryptochrome?