How many chromosomes do human spermatogonia contain?
a. 22
b. 23
c. 32
d. 44
e. 46
e
Anatomy & Physiology
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The latchbridge mechanism of myosin heads is a property of ________ muscle
A. cardiac B. skeletal C. smooth
Anatomy & Physiology
Troponin assists in controlling the interaction between myosin heads and thin filaments by
A) moving the tropomyosin molecules to expose the active sites. B) assisting in the formation of the myofilaments. C) forming a long chain that covers the active sites. D) holding the tropomyosin strands in place. E) both holding and moving the tropomyosin strands.
Anatomy & Physiology
The embryonic forebrain gives rise to the
A) cerebrum and cerebellum. B) cerebrum and midbrain. C) cerebrum and diencephalon. D) cerebellum and diencephalon.
Anatomy & Physiology
The final breakdown product of starch is
A. peptides. B. glycerol C. maltose. D. glucose.
Anatomy & Physiology