The thick contractile protein of a muscle cell is known as ____
A) actin
B) myosin
C) troponin
D) tropomyosin
B
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Imagine that you are reading a magazine article about a new product that claims to benefit health. Which of the following suggests that these claims might be valid?
a. The product is described as a "secret formula.". b. The article provides anecdotal evidence that the product works. c. Scientific research is cited. d. The product is available only through a commercial. e. The article includes testimonials from satisfied customers.
The metabolic effects of glucagon occur in an effort to allow ATP production in the absence of dietary carbohydrate.?
Indicate whether the statement is true or false
High blood pressure is a well known risk factor for cancer.?
Indicate whether the statement is true or false
The coloring compounds that are precursors to vitamin A are
a. anthoxanthins. b. anthocyanins. c. carotenoids. d. chlorophylls. e. betalains.