The ________ is the organ that delivers oxygen and nutrients and removes carbon dioxide and wastes for the embryo and later fetus
Fill in the blank(s) with correct word
placenta
Biology & Microbiology
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A slime layer gives bacterial cells greater pathogenicity than a capsule.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Animals exchange heat with their environment by which of the following processes EXCEPT?
a. conduction b. radiation c. evaporation d. convection e. thermoregulation
Biology & Microbiology
What is the origin of H5N1 virus?
A. Birds B. Dogs C. Pigs D. Humans E. Cats
Biology & Microbiology
All of the following are correct about salmonelloses except
A. non-typhoidal strains of salmonella are zoonotic in origin. B. foods contaminated by rodent feces may cause outbreaks.. C. outbreaks have been caused by eggs. D. drug resistance of salmonella is on the rise. E. strains are normal flora in dogs and cats.
Biology & Microbiology