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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?

#SCPH06 I Botany
  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: 19354

#SCPH06 I Botany

The best selection agents for the non-transformed cells from the transformed one.
1. Inhibit growth 
 2. Slowly kill
3. Initiate growth
Which of the following is true regarding selection agents?
TLS Online TPP Program

#Question id: 4155

#SCPH06 I Botany

Of all the possible triplet codons, __ do not code for an amino acid.
TLS Online TPP Program

#Question id: 14127

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

The most basic sequence alignment method is –
TLS Online TPP Program

#Question id: 278

#SCPH12 I Genetics

DNA wraps around an octamer of histones to form bead-like structures called ________.
TLS Online TPP Program

#Question id: 8894

#SCPH28 | Zoology

Which of the following is a shared characteristic of all chordates?