Which of the following is a region of DNA at the end of a linear chromosome?

A. Primer
B. Telomere
C. Intron
D. Exon


Answer: B

Biology & Microbiology

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In the diagram of a root tip shown above, the item labeled "2" is the

a. quiescent center. b. zone of cell division. c. zone of elongation. d. root cap. e. zone of maturation.

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The brain stem consists of the midbrain, the pons and the _________ oblongata.

Fill in the blank(s) with the appropriate word(s)

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Habitat corridors allow animals to move from one habitat fragment to another. Indicate whether the statement is true or false

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________ have been defined as communities of organisms and their physical and chemical environments that function as self-regulating units.

Fill in the blank(s) with the appropriate word(s).

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