Organisms that are characterized by being unicellular, photosynthetic, and having double shells made of silica are known as

A. kelps.
B. foraminifera.
C. dinoflagellates.
D. diatoms.
E. euglenoids.


Answer: D

Biology & Microbiology

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The production of large quantities of a particular DNA sequence is known as gene ________.

Fill in the blank(s) with the appropriate word(s).

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Which of the following is not a reason for the importance of mRNA processing in eukaryotes?

A) longevity in the cytoplasm B) coupling of transcription and translation C) presence of a nuclear membrane D) turnover in the cytoplasm E) removal of introns

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Manatees are mostly found in:

a. cold polar waters. b. Antarctica. c. tropical estuaries. d. temperate coastal areas. e. Eastern Pacific Ocean.

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Which of the following species has become a pest after its introduction elsewhere from North America?

A) chestnut blight B) honeybee mite C) zebra mussel D) comb jelly

Biology & Microbiology