Color blindness is more common in men; it is a(n)
A. Y-linked dominant disorder.
B. X-linked recessive disorder.
C. sex-linked co-dominant disorder.
D. endocrine-related disorder.
E. autosomal dominant disorder.
Answer: B
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During stress, elevated levels of plasma cortisol stimulate the catabolism of muscle protein and the conversion of alpha-keto acids to glucose in the liver.
Answer the following statement true (T) or false (F)
Determine the series of hormonal events that leads to birth
1. Oxytocin stimulates the placenta to secrete prostaglandins. 2. Fetal cortisol stimulates the placenta to secrete estrogen. 3. Prostaglandins dilate the cervix, and with oxytocin, increase the strength of uterine contractions. 4. The high estrogen level stimulates the uterus to form oxytocin receptors. A) 1, 3, 2, 4 B) 1, 4, 2, 3 C) 2, 4, 1, 3 D) 2, 4, 3, 1
Why is the citric acid cycle called a cycle? What substances enter the cycle, and what substances leave it?
What will be an ideal response?
Sensorineural deafness occurs when there is damage or degeneration of receptor cells of the:
A) spiral organ of Corti or cochlear nerve B) semicircular canals C) spiral organ of Corti D) round window E) ossicles