Which of the following, according to the Bloomberg graphs I showed, actually contributes to cooling the Earth?
What will be an ideal response?
Aerosol pollution
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Which of the following statements is false?
A. Shortening a muscle prior to contraction reduces the energy consumption of that muscle. B. Slower contraction velocities generate larger forces than more rapid contraction velocities. C. Lengthening contractions generate more force than shortening contractions. D. Isometric contractions occur when a muscle generates force without changing length. E. Rapid and repetitive stretching of a muscle can result in injury.
Any substance that is present at the end of a reaction or a pathway is called a(n)
a. reactant. b. end product. c. substrate. d. intermediate. e. chemical.
The process by which an oocyte bursts from an ovary and usually enters an oviduct (Fallopian tube) is called ____________.
Fill in the blank(s) with the appropriate word(s)
A researcher creates an antibiotic that binds to a protein present only on B. anthracis (the causative agent of anthrax), lysing the cell from the outside. After a couple of years using this antibiotic, some resistant organisms are found. Which of the following best outlines the mechanism for development of this resistance?
a. mutation in B. anthracis ? altered target ? resistant bacterium b. cell division of B. anthracis ? altered porins ? resistant bacterium c. mutation in B. anthracis ? altered porins ? resistant bacterium d. cell division of B. anthracis ? altered target ? resistant bacterium