Eosin-Methylene Blue Levine Agar. What will grow on EMB Levine agar?
What will be an ideal response?
Ans: This medium has been specifically designed to discourage the growth of gram positive bacteria. EMB contains the following ingredients: peptone, lactose, dipotassium phosphate, eosin Y (dye), methylene blue (dye), and agar.
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Natural selection exerts little or no effect on traits that appear during an individual’s ____
a. preadolescent years b. embryonic development c. juvenile phase d. postreproductive life e. reproductive life
A change in the rate or frequency of movements in response to environmental stimuli is called taxis
Indicate whether the statement is true or false.
The bones of the vertebral column, head, and rib cage comprise the ____
a. lower limb bones b. axial skeleton
c. appendicular skeleton d. endoskeleton e. pelvic girdle
An isotope is an atom of an element that varies in mass number due to variation in the number of
A. atoms. B. protons. C. neutrons. D. electrons.