Endosperm tissue is:
a. 1/2 n
b. n
c. 2n
d. 3n
e. 4n
d
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Olfactory centers are responsive to
a. touch. b. smell. c. taste. d. sound. e. sight.
The physical fragmentation of organic matter into smaller pieces is achieved primarily by invertebrate detritivores
Indicate whether the statement is true or false
The cytoplasm of eukaryotic cells contains all of the following EXCEPT
A) chromosomes. B) dissolved nutrients. C) enzymes. D) organelles. E) water.
Which of the following statements is the best definition of a telomerase?
A. Telomerase is an enzyme that helps solve the "end replication problem." B. Telomerase is an enzyme that helps separate DNA strands. C. Telomerase is an enzyme that cleaves introns and exons. D. Telomerase is an enzyme that helps proofread and correct newly synthesized DNA.