Cilia and flagella of eukaryotic cells are composed of:
A. microtubules in a 9 + 2 arrangement.
B. protein fibers in a helical arrangement.
C. actin filaments in a 9 + 2 arrangement.
D. nine triplets of microtubules in a circle.
A
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According to the theory of evolution, those best adapted to the environment will _____
a. survive and reproduce b. not survive c. produce offspring that are genetically identical to the parents d. have lower fertility rates e. have fewer offspring on average
How do agricultural practices affect the nitrogen cycle?
What will be an ideal response?
The largest coral reef system in the world is off the coast of:
a. Australia b. Belize c. Hawaii d. Mexico e. Mozambique
Which of the following ways can candidiasis be contracted?
A) intravenous lines or surgery B) kidney dialysis or intravenous lines C) surgery, central venous catheters, kidney dialysis, or intravenous lines D) central venous catheters or kidney dialysis E) surgery or central venous catheters