Streptococcus pneumoniae is a bacterium that has long been recognized as a major pathogen
causing pneumonia. Based on its name, how might it look under a microscope?
a. Because it is a bacterium, it will be very small and difficult to distinguish.
b. It would look like a chain of round beads or balls.
c. It would be about the size of a eukaryotic cell.
d. both (b) and (c)
B
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What will be an ideal response?
What is thought to help explain the evolution of the blood clotting mechanism?
a. constant mutations b. direct response to environmental factors c. gene duplication d. sharing of gene pools between species e. inbreeding
Someone who has diabetes insipidus has not enough ________
Fill in the blank(s) with correct word
Which of the following cells or tissues arise from lateral meristem activity?
A) secondary xylem B) leaves C) trichomes D) tubers