Myofibrils are subdivided along their length by repeating units called ________, which are the fundamental contractile units of the muscle cell.
Fill in the blank(s) with the appropriate word(s).
sarcomeres
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The essence of meiosis is that
a. one gamete receives the maternal chromosomes, and the other gamete receives the paternal chromosomes. b. diploid gametes are formed. c. gametes are formed after one cell division. d. diploid spores are formed. e. haploid gametes are formed.
In ______________________________, radioactive materials are implanted into the tissues to be treated.
Fill in the blank(s) with the appropriate word(s).
What would likely be true when P = 0.9?
A) Rate of extinction would be high. B) Rate of colonization would be high. C) Proportion of patch occupied would be low. D) Corridor size would be small.
Which of the following members of the genus Bacillus is currently used as a biological insecticide?
A. B. anthracis B. B. thuringiensis C. B. subtilis D. B. cereus