What supplies the energy for muscle contraction?
A. actin
B. Ca2+
C. myosin
D. ATP
E. tropomyosin
Answer: D
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Which of the following properties is likely to be found in a pioneer colonizer of a biofilm on an artificial joint implant?
A. The ability to grow at thermophilic body temperature,(37ºC) B. Surface structures for attaching to tissue C. No susceptibility to reactive oxygen species like peroxides D. The ability to use the titanium from the implant as an energy source
Which of the following is a type of cell communication where the signaling molecule is released by the same cell that responds to the signal?
A. juxtacrine B. paracrine C. autocrine D. endocrine E. All of these choices are correct.
What components do all cells possess?
What will be an ideal response?
ribososmes
What will be an ideal response?