DNA codes for the production of
a. proteins.
b. minerals.
c. inorganic molecules.
d. vital gasses.
e. water.
ANSWER: a
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A hydrocarbon skeleton is covalently bonded to an amino group at one end and a carboxyl group at the other end. When placed in water this molecule would function _____
A) only as an acid because of the carboxyl group B) only as a base because of the amino group C) as an acid and a base D) as neither an acid nor a base E) It is impossible to determine how it would function, based on the provided information.
The difference between living and nonliving matter depends not only on the kinds of atoms and molecules present, but
on their ____ as well.
a. chemical complexity b. electrons c. organization and interactions d. atomic profile e. energy levels
in all autotrophic eukaryotes( plants & algae)
1.photosynthesis occurs
The scientific name of the giant swallowtail is Heraclides cresphontes. Therefore,
A. it belongs to the genus Heraclides. B. the specific epithet is cresphontes. C. it belongs to the species cresphontes. D. All of the choices are correct.