The chromosomes are aligned midway between spindle poles during _______________.
A. anaphase
B. metaphase
C. interphase
D. prophase
E. telophase
Answer: B
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The cell keeps pH, temperature, and ion concentrations within a narrow window in order to maintain ______________
Fill in the blanks with correct word
Which of the following cytoskeletal proteins is found in prokaryotes?
A) keratin B) tubulin C) crescentin D) vimentin E) actin
During asexual reproduction, the genetic material of the parent is passed on to the offspring by
a. homologous pairing. b. meiosis and fertilization. c. mitosis and cytokinesis. d. karyotyping. e. chiasmata.
When researchers wish to make multiple copies of a gene without first inserting it into a bacterium, they employ the
A. polymerase chain reaction. B. pepsin activation reaction. C. gel electrophoresis. D. centrifuge.