What type of muscle fibers will be found in large percentages in the leg muscles of a person who excels at weight lifting but does not do well at running marathons?
A) slow-twitch
B) fast-twitch
C) intermediate
D) high-density
B
You might also like to view...
What types of data can be used to construct phylogenies such as the one above?
A. molecular data B. fossil evidence C. anatomical, physiological and developmental studies of extant species D. molecular data, fossil evidence and anatomical, physiological and developmental studies of extant species E. None of the answers given above are correct.
What are the primary functions of both photosystems I and II ?
A. produce ATP and NADP+ B. produce CO2 and ATP C. produce ATP and NADPH D. produce O2, ATP, and NADP+ E. produce O2, ATP, and NADPH
Which of the following receptor and signal transduction molecules are mismatched?
A. sensor kinase receptor (NarQ): NarL B. G-protein coupled receptor: adenylyl cyclase C. G-protein coupled receptor: phospholipase C D. enzyme linked receptors: protein kinase E. steroid receptor: calcium
The U.S. Food and Drug Administration warns children, mothers and potential mothers to avoid eating tuna because of high mercury levels. A typical can of albacore tuna contains about 4 times the amount of mercury that a healthy, average-sized adult may safely consume in a day. Do you think cans of tuna should carry labels warning of mercury content?
1.Yes; we can’t risk having children or mothers negatively affected by mercury poisoning. 2.No; the FDA advisory about mercury is enough warning.