Elie Metchnikoff discovered ________, which is a major feature of the host immune response.

Fill in the blank(s) with the appropriate word(s).


phagocytosis

Biology & Microbiology

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The average adult has approximately 100,000 leukocytes per mm3 of blood.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Which of the following choices is not a sac fungus?

a. truffles b. baking yeast c. puffballs d. morels

Biology & Microbiology

Sharks and rays deal with the osmotic stress of living in seawater mainly by

a. active transport of ions into the body through the gills. b. excreting nitrogenous wastes through their kidneys as urea. c. active transport of ions out of the body by chloride cells. d. excreting excess salt through the actions of specialized salt glands in their heads. e. maintaining high levels of urea and trimethylamine oxide in body fluids.

Biology & Microbiology

Consider the following two chemical equations:A

glucose + fructose ? sucrose + H2O, ?G = +27kJ/mole (or +6.5 kcal/mole) B. glucose + fructose + ATP ? sucrose + ADP + Pi, ?G = ?5kJ/mole (or ?1.2 kcal/mole) What is the overall ?G? a. 22 kJ/mole b. 32 kJ/mole c. -32 kJ/mole

d. -135 kJ/mole e. 135 kJ/mole

Biology & Microbiology