A flower that has sepals, petals, and stamens, but lacks carpels, is known as:

a. complete and perfect.
b. complete and imperfect.
c. incomplete and perfect.
d. incomplete and imperfect.
e. almost complete and almost perfect.


d

Biology & Microbiology

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Refer to Figure 22-2. The common hominoid ancestor would be labeled __________ in the diagram

a. 13
b. 12
c. 11
d. 10
e. 9

Biology & Microbiology

Due to character displacement, two closely related species may differ most morphologically when they

A. occupy the same niche. B. are sympatric. C. occupy different niches. D. share a common ancestor. E. are allopatric.

Biology & Microbiology

The bacteria Pseudomonas aeruginosa produces a protein that is secreted into its environment. The protein inhibits synthesis of elongation factor 2 (another protein) in humans. This effect may sound dangerous, but it has been considered as a possible

treatment for hepatitis B. The protein produced by P. aeruginosa is a(n) A) endotoxin. B) exotoxin. C) biological weapon. D) biofilm.

Biology & Microbiology

Imagine you are working in the laboratory. You have just raised 15g of water 1 degree Celsius. How many Calories of energy did you utilize to heat the water in this procedure?

A. 0.0015 B. 70 C. 15 D. 0.015 E. 1.5 F. 0.07

Biology & Microbiology