Which one of the following fungus causes infected rice shoots to grow much faster relative to uninfected plants and responsible for the “foolish seedling disease” of rice?

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#Question id: 12294

#Unit 10. Ecological Principles

A ________________ survivorship curve shows a constant rate of survivorship throughout life.

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#Question id: 5220

#Unit 11. Evolution and Behavior

In comparing the genomes of humans and those of other higher primates, it is seen that humans have a large metacentric pair we call chromosome #2 among our 46 chromosomes, while the other primates of this group have 48 chromosomes and any pair like the human #2 pair is not present; instead the primate groups each have two pairs of midsize acrocentric chromosomes. What is the most likely explanation?

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#Question id: 28252

#Unit 5. Developmental Biology

The force for sperm propulsion is provided by a protein, the protein is

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#Question id: 18982

#Unit 13. Methods in Biology

A number of convenient vector systems that incorporate both transcriptional and translational signals for the expression of cloned eukaryotic genes in E. coli have been developed. One such system is called expression vector is 

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#Question id: 5247

#Unit 8. Inheritance Biology

Which of the following is not a protein or group of proteins required for conjugation to occur?