Some nonnative parasites are introduced deliberately for the biological control of pests, which of the following are necessary attributes of a good agent of biological control?

a. low rate of increase relative to the host’s

b. Good dispersal ability

c. High searching capacity for hosts

d. Minimal time lag effects

e. Maximal time lag effect

f. General adaptability to the environment

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#Question id: 1071

#Unit 4. Cell Communication and Cell Signaling

The changes that occur in virally infected cells are characteristic for a particular virus and are referred to as the

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#Question id: 28353

#Unit 5. Developmental Biology

Before fertilization, graph representing A, B, C and D mRNA which is deposited in the oocyte by the ovarian nurse cells. Select the correct combination of these mRNAs.

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#Question id: 28405

#Unit 5. Developmental Biology

BMP inhibitors secreted by the organizer that involve to inhibiting the expression of BMP at the dorsal side of the embryo, these organizers are____

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#Question id: 5625

#Unit 5. Developmental Biology

The energy needed to move the flagellum and propel the sperm comes from rings of mitochondria located in the midpiece of the sperm. Mitochondria generates energy when the sperm cell have

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#Question id: 6991

#Unit 5. Developmental Biology

Metamorphosis of amphibians is triggered by environmental cues that act on the: