The depth to which light penetrates with sufficient intensity to support the activities of photoautotrophic organisms in the ocean is called the ________ zone.

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


photic

Biology & Microbiology

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The proteins necessary for the use of lactose in E. coli are collectively called the  

A.  lac regulator. B.  lac suppressor. C.  lac operon. D.  lac promoter. E.  lac transcriptional operator.

Biology & Microbiology

What characteristic is common to most chordates, but is not a necessity?

a. Vertebrate b. Pharyngeal gill slits c. Postanal tail d. Notochord

Biology & Microbiology

Triglycerides are ____

a. carbohydrates b. nucleotides c. proteins d. neutral fats e. amino acids

Biology & Microbiology

The process by which Geobacter metallireducens (which can be used to create fuel cells) removes insoluble Uranium6+ through oxidation of acetate in polluted water is a form of:

What will be an ideal response?

Biology & Microbiology