Insulin is taken up, via endocytosis, by the endothelial cells that line blood capillaries. Then, it's transported across the cell to the other side, where it is released. This transport is called ________
A) facilitated transport
B) transcytosis
C) passive transport
D) receptor-mediated phagocytosis
E) pinocytosis
B
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Approximately ________ percent of all lung cancers can be traced to smoking
A) 60 B) 70 C) 90 D) 80
You are a pediatrician. You have a young patient who does not seem to be growing. You suspect that there might be stress in the home. You decide to perform a blood test for cortisol and expect to find
A. high plasma cortisol levels have led to overall state of catabolism. B. high plasma cortisol levels have led to an increased skeletal muscle metabolic rate, there are no nutrients left for growth. C. high plasma cortisol levels have led to a decrease in blood calcium levels. D. high plasma cortisol levels have led to a decrease in available fuel in the bloodstream. E. None of these answers are correct.
It is important to ensure that your diet is adequately rich in vitamins because ________.
A) vitamins provide protection against the common cold B) very few foods contain vitamins C) most vitamins are coenzymes needed to help the body utilize essential nutrients D) all vitamins are water soluble and pass out of the body too quickly to ensure utilization
As temperature increases, how would this affect the oxyhemoglobin-dissociation curve?
A. shift it to the left B. shift it to the right C. no change D. shift it up E. None of these choices is correct