If body temperature were controlled by a positive feedback mechanism, the body's temperature would continue to rise.
Answer the following statement true (T) or false (F)
True
A positive feedback system results in an increasing change in the same direction.
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Macrophage cells undergo a process called phagocytosis in which material is brought into a cell in the form of membrane vesicles and then transported along microtubules toward the cell center. Assuming that the centrosome is near the cell center you can predict that these vesicles are moving to the ________ end of microtubules using the motor protein _________.
A. minus end; kinesin B. plus end; kinesin C. minus end; dynein D. plus end; dynein
The internal architecture of a cell consists of
A) microtubules, intermediate filaments, and microfilaments. B) cilia and flagella. C) chitin and chlorophyll. D) lipid bilayers.
The term ________ is given to any foreign substance that stimulates a specific immune system response.
A. allergen B. antibody C. antigen D. foreign body
The best way to treat an underweight person is to advise him or her to
What will be an ideal response?