Glycogen is used as a major carbon and energy reserve by some archaeons.
Answer the following statement true (T) or false (F)
True
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When compared to the leg muscles of an Olympic sprinter, the muscles of an Olympic marathoner would likely show a greater proportion of slow-twitch fibers
A. true B. false
M. pneumoniae is detected as the most common agent of lower respiratory tract infection among:
a. previously healthy patients 2 months to 5 years of age. b. adults younger than 30 years of age. c. community-acquired pneumonia in adults. d. school-age children.
You are studying a plant with mutant, nonfunctional PIN proteins. Assuming this plant could otherwise develop normally, predict how you might expect this plant to respond to directional light.
A. The plant will bend toward the light. B. The plant will bend away from the light. C. The plant will not move in response to light. D. The plant will move randomly.
Within your body, there are two major categories of hormones. One category is the steroid (or lipid-soluble) hormones, and the other category is referred to as nonsteroid (or water-soluble) hormones, which are composed of proteins or, in some cases, just
amino acids. Estrogen and testosterone are examples of steroid hormones, whereas insulin is an example of a nonsteroid hormone. A researcher heats estrogen, testosterone, and insulin to a very high temperature. After heating the hormones, the researcher tests to determine whether they still work properly. She finds that estrogen and testosterone still function, but insulin does not. Based on the chemical nature of these molecules, explain why insulin no longer functions. What will be an ideal response?