These biological compounds are non-polar and insoluble in water:
A. proteins
B. nucleic acids
C. lipids
D. carbohydrates
C. lipids
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The fourteen species of finch native to the Galapagos Islands
a. were victims of a mass extinction there b. evolved from a single common ancestor c. migrated in waves from South America d. evolved after a mass extinction of birds that previously lived in the islands e. were victims of a mass extinction there
Most conifers are ____
a. nonvascular b. dikaryotic c. deciduous d. seedless e. evergreen
Expression of the Hoxc6 gene causes ____
a. ribs to develop on a vertebra b. the development of eyes c. limb bud development d. gill arches to close e. the development of hair
The important feature of all cells that react to a specific hormone is (are) the
a. type of blood supply they receive. b. proximity of the endocrine gland. c. presence of an appropriate receptor molecule. d. characteristics of their plasma membranes. e. presence of specific genes responsive to the hormone.