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TLS Online TPP Program

#Question id: 10673

Which of following attributes of parasite agent acts as a biological control is not necessary?

#10. Ecological Principles
  1. Minimal time lag effects in responding to changes in host numbers.
  2. Good dispersal ability
  3. High searching capacity for hosts
  4. Low rate of increase relative to the host’s.
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TLS Online TPP Program

#Question id: 5558

#5. Developmental Biology

Fertilization of an egg without activation is most like ________.
TLS Online TPP Program

#Question id: 5559

#5. Developmental Biology

During fertilization, the acrosomal contents ________.
TLS Online TPP Program

#Question id: 5560

#5. Developmental Biology

In a newly fertilized egg, the vitelline layer ________.
TLS Online TPP Program

#Question id: 5561

#5. Developmental Biology

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.
TLS Online TPP Program

#Question id: 5562

#5. Developmental Biology

In an egg cell treated with a chemical that binds calcium and magnesium ions, the ________.
TLS Online TPP Program

#Question id: 5563

#5. Developmental Biology

In mammalian eggs, the receptors for sperm are found in the ________.