Organisms that grow near deep-sea volcanic vents are likely to be
A. psychrotrophic.
B. psychrophilic.
C. mesophilic.
D. thermophilic.
Answer: D
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Which carbohydrate is of most importance to living organisms?
A) fructose B) maltose C) galactose D) glucose E) cellulose
Match the microscope part with it's function.
Condenser A) Focus light onto the specimen B) Control the amount of light reaching the specimen C) Brings the specimen into general focus D) Increases the detail of the image
The cell wall component algin is
(a) found in the brown algae. (b) used in the production of ice cream. (c) used as a medium on which microorganisms are grown. (d) both a and b.
Which of the following are components of Chargaff's rules of bases?
A) purines = pyrimidines B) C + T = A + G C) A + T = G + C D) G = C E) all of the above