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

Biology & Microbiology

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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

Biology & Microbiology

Autoimmune diseases are disorders where the immune system fails to distinguish _______ from foreign ones.

What will be an ideal response?

Biology & Microbiology

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)

Biology & Microbiology

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

Biology & Microbiology