What type of plants live for one year?
A) annuals
B) biennials
C) perennials
D) woody plants
A
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In the root apical meristem, __________ supports division of undifferentiated meristem cells, and cytokinin signals
the cells to differentiate. Fill in the blank(s) with the appropriate word(s).
What is required for DNA polymerase to initiate DNA strand synthesis?
A) a short DNA primer synthesized by the enzyme primase B) a short RNA primer synthesized by the enzyme primase C) ATP and a short DNA primer synthesized by the enzyme topoisomerase D) ATP and a short RNA primer synthesized by the enzyme topoisomerase E) DNA polymerase initiates DNA strand synthesis without requiring any additional enzymes.
The organism found in contaminated powdered infant formula that can cause meningitis is ________.
A. Cryptococcus neoformans B. Streptococcus agalactiae C. Escherichia coli O157:H7 D. Cronobacter sakazakii E. Escherichia coli K1
Low contrast specimens are made easier to see by
A) increasing the amount of light passing through the slide. B) using dyes that react with their structures. C) adding color filters to the microscope. D) using smaller aperture lenses. E) drying them in a vacuum.