Turner syndrome is due to a(an)
A. missing sex chromosome.
B. missing autosome.
C. extra sex chromosome.
D. extra autosome.
Answer: A
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Pam's daughter is born cross-eyed. As she grows, the problem does not become any better. Her physician suggests cutting an eye muscle to bring the eyes into a more normal position. Which muscle will he cut?
A) inferior rectus B) lateral rectus C) medial rectus D) superior rectus E) superior oblique
The waste products of metabolism are eliminated through the process
A) assimilation. B) absorption. C) excretion. D) digestion. E) resorption.
How many oxygen molecules bind to each polypeptide chain of hemoglobin?
a. two b. three c. one d. four e. five
Which portion of the kidney delivers urine to the ureter?
A) renal sinus B) renal medulla C) renal cortex D) renal pelvis