Which animal is critically endangered in the United States?
A) black-footed ferret
B) mourning dove
C) striped skunk
D) coyote
A
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How does DNA polymerase differ from RNA polymerase?
A. Only RNA polymerase adds new nucleotides to the 3' end of a growing chain. B. Only RNA polymerase requires a primer. C. Only DNA polymerase uses a template DNA strand to direct synthesis of a new nucleotide strand. D. Only DNA polymerase has a proofreading ability.
True or false: Some cases of hybridization that lead to instantaneous speciation result in alteration of chromosomal number
A. true B. false
DNA replication occurs ____
a. during interphase before meiosis b. during prophase I of meiosis c. during prophase II of meiosis d. between meiosis I and meiosis II e. during interkinesis
Change in chromosome structure in which a segment of a chromosome is turned around 180°; this reversed sequence of genes can lead to altered gene activity and abnormalities.
What will be an ideal response?