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TLS Online TPP Program

#Question id: 1095

What does it mean to say that a signal is transduced?

#SCPH06 I Botany

  1. The signal enters the cell directly and binds to a receptor inside.

  2. The physical form of the signal changes as it passes from the cell membrane to the ultimate intracellular target.

  3. The signal is amplified, such that even one signal molecule evokes a large response.

  4. The signal triggers a sequence of phosphorylation events inside the cell.

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TLS Online TPP Program

#Question id: 1705

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

What is the single best definition of the most common form of antigen recognized by the T-cell receptor (TCR)
TLS Online TPP Program

#Question id: 9271

#SCPH06 I Botany

Chlorophylls a and b are abundant in green plants, and c and d are found in some protists and cyanobacteria. A number of different types of bacteriochlorophyll have been found; which type of chlorophyll is the most widely distributed, shows the distribution of pigments in different types of photosynthetic organisms;
TLS Online TPP Program

#Question id: 654

#SCPH06 I Botany

Which pair represents different conformations?
TLS Online TPP Program

#Question id: 27141

#SCPH01 Biochemistry

For distantly related sequences alignment, which of the method is suitable?
TLS Online TPP Program

#Question id: 5065

#SCPH28 | Zoology

Binding to the phosphorylated RTK through one of the RTK’s cytoplasmic domains, the adaptor protein also activates Ras. The activated receptor stimulates the adaptor protein to activate the: