All bacteria that cause disease in humans are classified in the domain Eubacteria. Which of the following characteristic is also true about all organisms that are classified in this domain?
A) They are eukaryotic.
B) They are unicellular.
C) They are parasitic.
D) They are autotrophic.
Ans: B) They are unicellular.
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If seed germination took place in 100% of plants at the 1.0 mg/mL concentration, and no germination was observed at the 0.1 mg/mL concentration, how would you modify a second experiment to determine the actual effective concentration?
What will be an ideal response?
In a population of 100 four-o'clock flowers there are 40 red-flowered plants (CRCR), 38 pink-flowered plants (CRCW), and 22 white-flowered plants (CWCW) what is the frequency of the CW allele in this population?
A. 0.48 or 48% B. 0.6 or 60% C. 0.4 or 40% D. 0.09 or 9% E. 0.52 or 52%
Rubisco combines ribulose bisphosphate with carbon from
A. ATP. B. glucose. C. carbon dioxide. D. carbon monoxide. E. organic compounds.
Which of the following is not part of the appendicular skeleton?
A. pelvic girdle B. sternum C. pectoral girdle D. femur E. humerus