In flowering plants, the unfertilized ovule contains the
A) embryo.
B) endosperm.
C) female gametophyte.
D) stigma.
E) pollen grain.
C
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The mechanism for the spread of long interspersed nuclear elements (LINEs) involves some unique features, including _____
A) translation in the cytoplasm of an mRNA that was synthesized in the nucleus B) the nuclear localization of RNA polymerase C) the transport of mRNA from the cytoplasm to the nucleus D) the use of an enzyme that cuts DNA E) the use of RNA polymerase to transcribe an mRNA
Mendeleev found that when he arranged the known elements according to their atomic mass, the entries in the table exhibited a pattern of chemical properties that repeated itself in groups of eight elements. This led to the generalization now known as:
A. an atomic model. B. valance electrons. C. the periodic table. D. the octet rule.
Senses are divided into two groups: general and special. Receptors for the special senses are limited to the
A. head. B. tongue. C. ears. D. feet. E. abdomen.
During Krebs cycle reactions, the waste product gas ____________________ is produced. Fill in the blank(s) with the appropriate word(s)