Virtually all amino acid-based hormones exert their signaling effects through intracellular ________
A) nucleotides
B) calcium
C) deactivating ions
D) second messengers
D
Anatomy & Physiology
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A sprain occurs when a twisting or turning action tears ____ associated with a joint
a. tendons b. bursae c. ligaments d. disks
Anatomy & Physiology
Peristalsis slows in the elderly.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
An enzyme that sperm secretes that is important for egg penetration is
A) acetylcholinesterase B) peptidase C) collagenase D) hyaluronidase
Anatomy & Physiology
Which of the following statements is true?
a. The spine evolved as an adaptation for swimming in fish. b. Some organisms have vestigial genes. c. Enantiostasis involves a change in two variables. d. Two of these. e. All of these.
Anatomy & Physiology