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TLS Online TPP Program

#Question id: 12112

The presence of altruistic behaviour is most likely due to kin selection, a theory maintaining that

#Unit 10. Ecological Principles
  1. Aggression between sexes promotes the survival of the fittest individuals.
  2. Genes enhance survival of copies of themselves by directing organisms to assist others who share those genes.
  3. Companionship is advantageous to animals because in the future they can help each other.
  4. Critical thinking abilities are normal traits for animals and they have arisen, like other traits, through natural selection.
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TLS Online TPP Program

#Question id: 23235

#Unit 2. Cellular Organization

Glycocalyx is a viscous polymer that is external to the cell wall and composed of polysaccharide. Such as Bacillus anthracis produces a capsule of 
TLS Online TPP Program

#Question id: 23236

#Unit 2. Cellular Organization

What is the arrangement of amino acids in peptidoglycan layer?
TLS Online TPP Program

#Question id: 23237

#Unit 2. Cellular Organization

Which enzyme is responsible for converting D amino acid into L form?
TLS Online TPP Program

#Question id: 23238

#Unit 2. Cellular Organization

What is the role of teichoic acids in bacterial cell wall?
1. cell growth
2. preventing extensive wall breakdown 
3. Movement
4. prevent phagocytosis
Which of the following are incorrect?
TLS Online TPP Program

#Question id: 23239

#Unit 2. Cellular Organization

Outer membrane of gram negative provides barrier to certain 
1. Antibiotics
2. Lysozyme
3. Detergents
4.Heavy metals
Which of the following are incorrect?
TLS Online TPP Program

#Question id: 23240

#Unit 2. Cellular Organization

Mycoplasma’s plasma membrane contains ________ which protect them from lysis.