structure that connects pharynx to the stomach
What will be an ideal response?
esophagus
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An immunoglobulin (Ig) molecule, of whatever class, with regions symbolized as C or V, H or L, has a light chain made up of _____
A) one C region and one V region B) three C regions and one V region C) one H region and one L region D) three H regions and one L region E) two C regions and two V regions
A(n) __________ is a noncellular infectious particle with a protein coat enclosing DNA or RNA. Fill in the blank(s) with the appropriate word(s)
Diffusion of molecules through channels and facilitated transport are types of ________ transport
Fill in the blank(s) with correct word
The pH of the digestive tract is
A) low throughout. B) basic in the stomach and acidic throughout the rest of the tract. C) acidic in the stomach and neutral in the intestines. D) high throughout. E) neutral throughout.