Mucosal cells of the stomach secrete ________, which binds to vitamin B12 so that it can be better absorbed in the small intestine
Fill in the blank(s) with correct word
intrinsic factor
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Which of the following terms are mismatched?
A. corepressor - a protein that binds to the repressor protein and results in inactivation of the operon B. repressor - protein that is capable of turning off the operon C. inducer - a protein that inactivates the repressor D. cAMP - a molecule that accumulates when glucose concentration is low E. regulatory gene - serves as the on or off switch for the operon
Autoimmune diseases are disorders where the immune system fails to distinguish _______ from foreign ones.
What will be an ideal response?
Unique features of animals include ingesting their food, having a cell wall, and the ability to move at some point in their life cycle.
Answer the following statement true (T) or false (F)
Overhead bars on a crowded public bus have the potential to harbor multiple pathogens. The bars are considered a vector of disease
a. true b. false