Striated muscle myofibrils are end-to-end associations of the fundamental contractile units of the muscle cell known as ________

Fill in the blank with correct word.


Answer: sarcomeres

Biology & Microbiology

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The effect of resource availability on population size

determines a. the carrying capacity of the environment. b. exponential growth. c. the doubling time of a population. d. the population’s biotic potential. e. all of these.

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The sub-atomic particle with a positive charge is _____.

A. a neutron B. an isotope C. an electron D. a proton E. an ion

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The phrase "Study nature, not books" is attributed to:

a. Louis Agassiz. b. Alexander Agassiz. c. Charles Darwin. d. Charles Wyville Thomson. e. Aristotle.

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A(n) ____ species resides where it evolved, and is found nowhere else on Earth

a. invasive b. endemic c. endangered d. exotic e. persistent

Biology & Microbiology