Due to ________, the 25,000 genes of the human genome seem to encode as many as 120,000 different expressed mRNAs.

A. independent assortment
B. alternative splicing
C. mutations
D. recombination


Answer: B

Biology & Microbiology

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Excess glucose is stored in large branched molecules of:

A. glycogen in animals. B. starch in bacteria. C. starch in animals. D. glycogen in plants. E. glycogen and starch in both animals and plants.

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The first organisms to colonize land were

A) plants, protists, and insects B) plants, fungi, and insects C) bacteria, plants, and fungi D) protists, bacteria, and fungi

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Because golden rice was developed to deal with problems of ____________________ deficiency, it is considered a(n) ____________________

Fill in the blank(s) with correct word

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The earthworm is a terrestrial animal that uses its ________ in respiration.

A. lungs B. gills C. parapodia and body surface D. tracheoles E. body surface

Biology & Microbiology