TLS Online TPP Program

#Question id: 4055


Which of the following might decrease the global production of mRNA in a prokaryotic cell? (1 point).

#Unit 3. Fundamental Processes
  1. A decrease in the amount of sigma factor.

  2. A decrease in the amount of RNA polymerase II.

  3. A mutation that introduces a stop codon in the 5’ UTR.

  4. A mutation that introduced extensive sequence changes into the DNA preceding the transcription start site of the gene.

More Questions
TLS Online TPP Program

#Question id: 29498

#Unit 6. System Physiology – Plant

Which of the following permits the accumulation of transcriptional activators in the nucleus necessary for photomorphogenic development

TLS Online TPP Program

#Question id: 29499

#Unit 6. System Physiology – Plant

Some of the following statement is given regarding COP1 
a. negative regulator of photomorphogenesis
b. positive regulator of photomorphogenesis
c. is a component of the E3 ubiquitin ligase complex
d. is a component of the HFR1-HY5-LAF1 complex

Which of the following is correct

TLS Online TPP Program

#Question id: 29500

#Unit 6. System Physiology – Plant

Some of the following statement is given regarding function of the Plant phytochrome 
a. Chlorophyll synthesis
b. Seedling elongation
c. Light-regulated gene expression
d. serine/threonine kinase
Which of the following is correct 

TLS Online TPP Program

#Question id: 29501

#Unit 6. System Physiology – Plant

Cryptochromes under blue light causes
a. Promotion of cotyledon expansion
b. Membrane depolarization
c. Circadian clock entrainment
d. Inhibition of petiole elongation

Which of the following is correct

TLS Online TPP Program

#Question id: 29502

#Unit 6. System Physiology – Plant

Some of the Following statement is given regarding the cry1 and cry2 
a. cry1 is more stable than cry2
b. cry2 is more stable than cry1
c. cry1 involved in the setting of the circadian clock 
d. cry2 plays a major role in the induction of flowering

Which of the following is correct 

TLS Online TPP Program

#Question id: 29503

#Unit 6. System Physiology – Plant

Trichomes of nettles (Urtica dioica) have “cocktail” of secondary metabolites that can cause severe irritation of the skin of animals which are
a. Tartaric acid
b. Serotonin
c. Oxalic acid
d. Formic acid
Which of the following combination secondary metabolites is true