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TLS Online TPP Program

#Question id: 9185

Plants are affected by an array of pathogens. Which of the following is a plant defense against disease?

#Unit 9. Diversity of Life Forms
  1. cells near the point of infection destroying themselves to prevent the spread of the infection
  2. production of chemicals that kill pathogens
  3. acquiring gene-for-gene recognition that allows specific proteins to interact so that the plant can produce defenses against the pathogen
  4. All of the above are plant defenses against disease.
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TLS Online TPP Program

#Question id: 23671

#Unit 13. Methods in Biology

________ was the first bacterial genome sequence to be published.
TLS Online TPP Program

#Question id: 13215

#Unit 6. System Physiology – Plant

KCl solutions separated by a membrane in The K+ and Cl– ions will permeate the membrane independently as they diffuse down their respective gradients of electrochemical potential, In biological systems, membranes are usually more permeable to K+ than to Cl–. Therefore, K+ will diffuse out of the cell  faster than Cl–, causing
TLS Online TPP Program

#Question id: 14088

#Unit 1. Molecules and their Interaction Relevant to Biology

Type II topoisomerases change the linking number in 
A. Steps of two
B. Steps of three
C. Make transient double-strand breaks 
D. Make transient single-strand break
Mark the option with correct combination
TLS Online TPP Program

#Question id: 3853

#Unit 3. Fundamental Processes

In E. coli, promoter sequences are located at which of the following position(s) on the template strand?
TLS Online TPP Program

#Question id: 8895

#Unit 9. Diversity of Life Forms

What is one characteristic that separates chordates from all other animals?