DNA is composed of repeating units of sugars, phosphates, and nucleic acids. This is an example of a
A) polymer.
B) monomer.
C) salt.
D) micelle.
E) lipid.
A
Bloom's Taxonomy: Knowledge
Section: Organic Macromolecules
Learning Outcome: 2.27
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Four of the five answers are traits that Homo sapiens had compared to earlier species. Select the exception
a. smaller teeth and facial bones. b. a more prominent chin. c. a higher and rounder skull. d. the capacity for spoken language. e. shorter body form.
The bond in table salt (NaCl) is
a. polar. b. ionic. c. covalent. d. double. e. nonpolar
A pregnant woman who smokes risks
a. delivering an underweight baby. b. a greater chance of miscarriage. c. a greater chance of stillbirth. d. a greater chance of premature delivery. e. all of these.
Positive Correlation
What will be an ideal response?