You pick up the skull and begin examining it. The mastoid process is rather small, and the external occipital protuberance is not well defined. The supraorbital margins are rather sharp, and the mental protuberance is pointed (instead of squared-off). All of these features lead you to the following conclusion:
a. The skeleton has been buried for a long time.
b. The skull is from a female.
c. The skull is from a male.
d. The skull is from a young child.
b. The skull is from a female.
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Cats have an average of 350 bones in their bodies
Indicate whether the statement is true or false
Which of the following statements about the Na+ and K+ gradients in neurons is NOT true?
a. In a resting neuron the electrical gradient for sodium is inward. b. In a resting neuron the electrical gradient for potassium is inward. c. In a resting neuron the concentration gradient for sodium is outward. d. In a resting neuron the concentration gradient for potassium is outward. e. In a resting neuron, the electrical and concentration gradients for sodium andpotassium result in a membrane potential.
List the actions that occur during the process known as cross-bridge cycling.
A. Cross-bridge formation B. Muscle cell stimulation C. Cross-bridge release D. Recovery stroke E. Power stroke
The term for between the toes is:
A) interphalangeal B) intraphalangeal C) interdigital D) intradigital