Which of the following is not true about rhodopsin?
A) called visual purple
B) bleached during photoreception
C) is the visual pigment in rods
D) consists of opsin + retinal
E) activates transducin
Answer: E
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The ion(s) or molecule(s) labeled G is (are)
A) CO2.
B) H2O.
C) O2.
D) H+.
E) 2H.
Which is the definition for a greenstick fracture?
A. The bone is twisted as it fractures. B. The fracture is at an oblique angle to the long axis of the bone. C. Only one side of the bone is broken; the other side is bent. D. The fracture is at right angles to the long axis of the bone. E. The bone is splintered into several fragments.
Intramembranous ossification produces the ________
A) short bones of the ankle B) irregular bones of the vertebrae C) flat bones of the skull D) long bones of the limbs E) short bones of the wrist
Another name for a skeletal muscle cell is a muscle ___.
Fill in the blank(s) with the appropriate word(s).