What is the foramen of Panizza?

a. the third chamber of a fish heart that separates into two major arteries
b. the hindmost heart in arthropods that propels hemolymph forward
c. the hole between crocodilian ventricles that allows blood to pass between
d. the web-like capillary structure in gills that allows gas exchange with water


c. the hole between crocodilian ventricles that allows blood to pass between

Biology & Microbiology

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What two general types of products can be harvested from cultures of transformed bacteria?

What will be an ideal response?

Biology & Microbiology

The words simple, complete, and compound are all used to describe

a. shapes of bones. b. formation of bone architecture. c. bone remodeling. d. types of bone fractures. e. kinds of joints.

Biology & Microbiology

The difference in "sensation" and "perception" when referring to a stimulus lies in

a. the type of receptor stimulated. b. understanding the significance of the stimulus. c. the number of receptors that depolarize. d. feeling exactly what is happening at the site. e. responding to the stimulus.

Biology & Microbiology

In natural selection, __________ determines which phenotypes are successful

A) chance B) the environment C) sample size D) genetic drift E) human intervention

Biology & Microbiology