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TLS Online TPP Program

#Question id: 10809

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?

#SCPH06 I Botany
  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: 1098

#SCPH28 | Zoology

Which of the following is the most plausible explanation for why an animal cell would be unable to reduce the Ca2+ concentration in its cytosol compared with the extracellular fluid?
TLS Online TPP Program

#Question id: 1099

#SCPH01 Biochemistry

How does the toxin of Vibrio cholerae cause profuse diarrhea?
TLS Online TPP Program

#Question id: 1099

#SCPH06 I Botany

How does the toxin of Vibrio cholerae cause profuse diarrhea?
TLS Online TPP Program

#Question id: 1099

#SCPH28 | Zoology

How does the toxin of Vibrio cholerae cause profuse diarrhea?
TLS Online TPP Program

#Question id: 1100

#SCPH01 Biochemistry

Which of the following results would most likely be an immediate result of a growth factor binding to its receptor?
TLS Online TPP Program

#Question id: 1100

#SCPH06 I Botany

Which of the following results would most likely be an immediate result of a growth factor binding to its receptor?