Which of the following does NOT apply to parasitoids?
A. They are insects.
B. They kill animals on which they feed.
C. Their host usually survives.
D. The larvae develop in a host’s body.
E. Some are effective biological control agents.
Answer: C
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A microbiologist Gram stains a bacterium and finds the bacterium to be blue to purple in color. This identifies the
A. bacterium as gram-positive. B. bacterium as a disease-causing organism. C. bacterium as an endospore former. D. species of bacterium. E. bacterium as gram-negative.
In plants, the
A. diploid zygote develops into the gametophyte. B. diploid zygote develops into the sporophyte. C. haploid gametophyte develops into the sporophyte. D. haploid zygote develops into the sporophyte. E. haploid gametophyte produces gametes by meiosis.
It is not always easy to locate or identify genes based on cDNA. How is this problem created by the differences between cDNA and DNA with respect to a given gene?
What will be an ideal response?
Should scientists decide to do away with the domain system of classification, the former five kingdom system would now not be acceptable. What would be the correct change to the five kingdom system?
A. The kingdom Monera would be divided into 2 kingdoms. B. The kingdom Protista would be divided into 2 kingdoms. C. The fungi would be moved into the kingdom Protista. D. The algae would be moved into the kingdom Plantae.