Weak bonds are important for the ______________ structure of proteins
A. primary
B. secondary
C. tertiary
D. quarternary
E.
secondary, tertiary, AND quarternary
E
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Which statement is TRUE?
a. The laws of thermodynamics do not apply to living organisms. b. Producers in ecosystems have the highest concentrations of energy. c. The energy available to do cellular work will exist forever. d. The amount of energy available to consumers is more than that available to producers. e. When plants trap energy, they convert it into light.
The composition of glomerular filtrate is almost identical to that of urine
Indicate whether the statement is true or false
Suppose that while the reverse osmosis system is running tank B becomes contaminated with salt water such that it ends up with a higher salt concentration than tank A. What would happen if the reverse osmosis system was turned off?
A) There would be a net flow of water from tank A to tank B. B) There would be a net flow of water from tank B to tank A. C) Water would flow in equal amounts in both directions.
The outcome of the Gram stain is based on differences in the cell's
A. cell membrane. B. inclusions. C. flagella. D. ribosomes. E. cell wall.