A solution with a pH of 9 has ____ times fewer hydrogen ions than a solution with a pH of 6
a. two
b. four
c. 10
d. 100
e. 1,000
ANSWER: e
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The maduromycetes differ from other high G + C Gram-positives in that they contain the sugar madurose in cell extracts.
Answer the following statement true (T) or false (F)
Carbon, hydrogen, and oxygen are _____ for plants
a. macronutrients b. micronutrients c. trace elements d. required elements e. both macronutrients and required elements
Which of the following statements is true about scientific theories?
1.A theory is a related set of hypotheses that form a broad-ranging explanation of many phenomena. 2.Theories can not be rejected. 3.Once established, theories can not change. 4.Scientists must not change their minds and replace theories in light of new evidence.
All EXCEPT which of the following are significant
routes for water loss from the body? a. excretion in urine b. sneezing c. sweating d. elimination in feces e. evaporation from respiratory surfaces