Annuals are never

a. grasses.
b. herbaceous plants.
c. herbs.
d. woody plants


D

Biology & Microbiology

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________ are the units of muscle contraction. a. Actin b. Myofibrils c. Myosin d. None of these choices

e. Sarcomeres

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Which of the following membrane activities does NOT require the expenditure of energy by the cell?

a. active transport b. osmosis c. endocytosis d. exocytosis e. synthesis of more membrane

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Albinism is an example of ________

A) a dominant disease B) an autosomal recessive disease C) a sex-linked disease D) a polygenic disease

Biology & Microbiology

Ventilation includes

A. expiration. B. illumination. C. inspiration. D. All of these are correct. E. Both inspiration and expiration.

Biology & Microbiology