During which phase of the mitotic cell cycle does assembly of spindle apparatus occur?

A) prophase
B) anaphase
C) telophase
D) metaphase
E) interphase


A) prophase

Biology & Microbiology

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At some of the lowest light concentrations, ________ can still grow well due to their ________, which effectively harvest photons for energy

A) green bacteria / antenna pigments B) green bacteria / chlorosomes C) purple bacteria / antenna pigments D) purple bacteria / chlorosomes

Biology & Microbiology

In what way are a human and a crab similar?

A. Both have muscles that pull against rigid skeletons. B. Vertebrates and arthropods are deuterostomes. C. Both have closed circulatory systems. D. Both have a continuous growth pattern.

Biology & Microbiology

You discover a new sunflower that has blue flowers instead of yellow. When you cross this blue variety with a common yellow variety you get blue and yellow speckled flowers. What type of inheritance pattern does this gene exhibit?

A. sex-influenced dominance B. either incomplete dominance or codominance C. simple Mendelian inheritance D. codominance E. incomplete dominance

Biology & Microbiology

Purple nonsulfur bacteria can use ALL of the following as electron donors for photosynthesis EXCEPT

a. H2O. b. H2S. c. H2. d. Fe2+.

Biology & Microbiology