The green algae include
a. unicellular species only.
b. multicellular species only.
c. unicellular and multicellular species.
d. unicellular and colonial species.
e. unicellular, multicellular, and colonial species.
E
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HeLa cells have been used in research to
a. identify cell structures. b. study sickle cell anemia. c. study the effects of hyperoxia on cells. d. study the mechanisms of cancer. e. study various lung diseases.
The post Darwinian view of the world includes which of the following idea(s)?
A. species are related by descent. B. the age of the Earth is billions of years old. C. an interaction of random variation and environmental conditions produce environmental adaptation. D. All of the choices are correct. E. Only two of the answers are correct.
Which type of mutation can cause a change in the coding sequence?
a. silent mutation b. insertion c. deletion d. nonsense mutation e. All of the above
Arrange the following molecules in order with respect to their relative levels of oxidation (assign 5 to the most oxidized and 1 to the most reduced)
_______ CH2O (formaldehyde) _______ CH4 (methane) _______ CHOOH (formic acid) _______ CH3OH (methanol) _______ CO2 (carbon dioxide) Fill in the blank(s) with correct word