Signals from motor neurons result in action

potentials in muscle fibers, which in turn causes the
__________ to release stored calcium ions. Fill in the blank(s) with the appropriate word(s).


Answer: sarcoplasmic reticulum

Biology & Microbiology

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Enzymes that are always present, regardless of the amount of substrate, are ________.

A. regulated enzymes B. endoenzymes C. exoenzymes D. constitutive enzymes E. apoenzymes

Biology & Microbiology

Phthalates are released by ____, a common component in many household items

a. animal hormones b. cotton c. stainless steel d. vinyl e. electronics

Biology & Microbiology

Should states have mandatory screening programs that test every newborn for genetic disorders? Explain your

reasoning. What will be an ideal response?

Biology & Microbiology

Which of the types of cellular activities listed below would not use ATP?

- protein synthesis - flagella movement - passive transport - active transport - muscular contraction

Biology & Microbiology