TLS Online TPP Program

#Question id: 10369


Which type of the nitrogen-fixing bacteria are thought to maintain a low oxygen concentration (microaerobic conditions) through their high levels of respiration

#Unit 6. System Physiology – Plant
  1. Anaerobic nitrogen-fixing bacteria           
  2. Facultative
  3. Obligate nitrogen-fixing bacteria    
  4. Aerobic nitrogen-fixing bacteria
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TLS Online TPP Program

#Question id: 3635

#Unit 8. Inheritance Biology

In the multiple allele series that determines coat color in rabbits, c+codes for agouti, cch for chinchilla and ch for Himalayan. Dominance is in the order c+>cch>ch. In a cross of c+/cch X cch/ch, what proportion of progeny will be chinchilla?

TLS Online TPP Program

#Question id: 3636

#Unit 8. Inheritance Biology

A man with type A blood group marries a woman with type A blood group. Their first child has type O blood. What is the genotype of the Man, proportion of his gametes are expected to contain the IA allele, and probability that their next child will have type A blood respectively:

TLS Online TPP Program

#Question id: 3638

#Unit 8. Inheritance Biology

Four different mutant lines showing similar phenotype were identified from a genetic screen. When genetic crosses among these mutants were carried out, the first mutant was found to complement the second, third and fourth mutant lines. However, no other complementation groups do the four mutant lines belongs to?

TLS Online TPP Program

#Question id: 3639

#Unit 3. Fundamental Processes

Replication of a bacterial chromosome normally starts at a fixed point called:

TLS Online TPP Program

#Question id: 3640

#Unit 3. Fundamental Processes

Which of the following is true for the mechanism of excision repair?

TLS Online TPP Program

#Question id: 3641

#Unit 3. Fundamental Processes

The point at which separation of the strands and synthesis of new DNA takes place is known as the: