Cyclic AMP (cAMP) is:

1.a hormone.
2.an enzyme.
3.a second-messenger.
4.a neurotransmitter.
5.an ion.


3

Anatomy & Physiology

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You are diagnosed with the autoimmune disease Systemic Lupus Erythematosus, causing your immune system to produce antibodies against specific tissues in your body. This best represents a failure of ________.

A. innate immunity B. clonal-anergy, because lymphocytes that recognize self antigens are not being activated C. central tolerance, because lymphocytes that recognize self antigens are not being activated D. clonal-deletion, because lymphocytes that recognize self antigens are not being destroyed

Anatomy & Physiology

The average growth in females continues to about ______________________________ years; in males to approximately ______________________________ years.?

Fill in the blank(s) with correct word

Anatomy & Physiology

The dicrotic notch on the aortic pressure wave is due to a disturbance caused by the closure of the ______ valve

Fill in the blank(s) with correct word

Anatomy & Physiology

Which of the following structures function in holding organelles in place, maintaining cell shape and rigidity, and directing organelle movement?

A. Cilia B. Centrioles C. Microtubules D. Flagella E. Golgi apparatus

Anatomy & Physiology