Which animal is critically endangered in the United States?

A) black-footed ferret
B) mourning dove
C) striped skunk
D) coyote


A

Biology & Microbiology

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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.

Biology & Microbiology

True or false: Some cases of hybridization that lead to instantaneous speciation result in alteration of chromosomal number

A. true B. false

Biology & Microbiology

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

Biology & Microbiology

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?

Biology & Microbiology