Which of the following is NOT an example of an invasive species?

A. Kudzu vine
B. Sugar maple
C. European gypsy moth
D. Emerald ash borer
E. Nile perch


Ans: B. Sugar maple

Biology & Microbiology

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Although Deinococcus-Thermus phyla stain Gram-positive, which reason(s) exclude them from this Gram type?

A. They lack teichoic acids. B. Their cell envelope includes an S-layer. C. They have L-ornithine in their peptidoglycan. D. Their plasma membrane has phosphatidylglycerol phospholipids instead of palmitoleic acids.

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What key words does the question contain and what do they mean?

What will be an ideal response?

Biology & Microbiology

The loudness of a sound depends on the ____ of the sound wave

a. wavelength b. amplitude c. frequency d. type e. substance

Biology & Microbiology

Many studies have been conducted on the heritability of obesity. With fairly strong consistency they

indicate that the heritability of this trait is about:A. 0.1 B. 0.3 C. 0.5 D. 0.7 E. 0.9

Biology & Microbiology