Muscle fibers (muscle cells) are filled with myofibrils which in turn are filled with the contractile filaments myosin and actin.
a. true
b. false
Answer: a. true
Biology & Microbiology
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Epitokes of polychaetes are:
a. feeding structures. b. respiratory structures. c. reproductive individuals. d. excretory structures. e. feeding individuals.
Biology & Microbiology
Given the following Southern blot results, which lane represents a heterozygous individual?
What will be an ideal response?
Biology & Microbiology
What characteristics of Caenorhabditis elegans make it useful in molecular genetics studies? What will be an ideal response?
Biology & Microbiology
Which organelle is responsible for degrading waste within the cell?
A) Golgi apparatus B) lysosome C) endoplasmic reticulum D) ribosome E) chloroplast
Biology & Microbiology