Potassium deficiency in plants occurs when plants grow on light, sandy soils and cannot obtain enough potassium ions. Such plants are deficient in: (check all that apply)

_____ an essential element.
_____ a macronutrient.
_____ a micronutrient.
_____ a limiting factor.


__X__ an essential element.
__X__ a macronutrient.
_____ a micronutrient.
__X__ a limiting factor.

Biology & Microbiology

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Another name for pertussis is

A) the kissing disease. B) shingles. C) whooping cough. D) yellow fever.

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To industrial microbiologists, fermentation means the mass culture of microorganisms.

Answer the following statement true (T) or false (F)

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________ synthesis is a damage-tolerant mechanism that allows synthesis of a new DNA strand from a damaged template

Fill in the blank with correct word.

Biology & Microbiology

The sequence of amino acids in a protein is its ________ structure.

A. hepternary B. tertiary C. quaternary D. primary E. secondary

Biology & Microbiology