A structure of a flower that can normally be expected to produce male sex cells is the 

A. anther.
B. petal.
C. filament.
D. stigma.


A. anther.

Biology & Microbiology

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An example of an animal with a long digestive tract and molars with large, ridged surfaces is a ____

a. cat b. deer c. dog d. shark e. tiger

Biology & Microbiology

Which of the following is not true of coliforms?

A. Coliform counts are not specific for a particular species of bacteria. B. They include E. coli, Enterobacter, and Giardia. C. They are gram-negative, lactose-fermenting, and gas-producing. D. Finding coliforms in water indicates fecal contamination.

Biology & Microbiology

In a defined medium, _____.

a. the exact chemical composition of the medium is known b. agar is available for microbial nutrition c. blood may be included d. organic chemicals are excluded

Biology & Microbiology

Indicate whether the response is due to parasympathetic or sympathetic action.

A. decreases heart rate B. decreases adrenal gland secretions C. slows digestion D. inhibits urination

Biology & Microbiology