What supplies the energy for muscle contraction?

A. actin
B. Ca2+
C. myosin
D. ATP
E. tropomyosin


Answer: D

Biology & Microbiology

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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

Biology & Microbiology

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.

Biology & Microbiology

What components do all cells possess?

What will be an ideal response?

Biology & Microbiology

ribososmes

What will be an ideal response?

Biology & Microbiology