Compare the molecular formula of a carbohydrate (CH2O)n with that of carbon dioxide (CO2). What does the presence of hydrogen atoms in carbohydrates indicate?
A) Carbohydrates are more reduced than carbon dioxide.
B) Carbohydrates are more oxidized than carbon dioxide.
C) Every carbon atom in a carbohydrate is bonded to four different atoms.
D) Carbohydrates contain a carbonyl functional group.
Answer: A
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a. companion cells b. cuticle cells c. cork cells d. sclerenchyma cells e. subsidiary cells
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For a parameter that is not identified, what should happen to the 95% confidence interval as the sample size gets larger?
A. The width of the interval should eventually capture the true parameter value. B. The right tail should get larger. C. The left tail should get larger. D. None of the answers is correct.
Macromolecules are made up of smaller subunits called
A. Monomers B. Polymers C. Isomers D. Cells E. Aggregates