Which of the following is not true of melanin?

A) There is more than 1 type of melanin.
B) Melanin is released by exocytosis.
C) It is manufactured from tyrosine.
D) It is packaged in vesicles called melanosomes.
E) It absorbs UV radiation.


B

Anatomy & Physiology

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Answer the following statement true (T) or false (F)

Anatomy & Physiology

A condition of reduced bone mineral density that predisposes the individual to fractures is called ___________________. ________________________________________

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

A short and narrow, round-pointed metal or plastic tube that is used to pass from the exterior through the teat canal and into the teat cistern to relieve teat obstructions is called the teat ________________________________________

Fill in the blank(s) with correct word

Anatomy & Physiology

During a single contraction, each myosin molecule undergoes the cycle of cross-bridge formation, movement, release, and return to its original position many times. This process is called _______.

a. excitation-contraction coupling b. cross-bridge cycling c. the power stroke d. the recovery stroke

Anatomy & Physiology